# Useful Tools — full tool reference > Citable reference for all 135 tools. Each entry lists the URL, what the tool does, how to use it and common questions. ## Add Line Numbers URL: https://addlinenumbers.com/add-line-numbers/ Category: 📝 Text Utilities Number every line of your text with custom start, step, separator and zero-padding. Free, no signup, and everything runs locally in your browser. Q: Is Add Line Numbers free to use? A: Yes. Add Line Numbers is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Add Line Numbers runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Add Line Numbers work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Add Line Numbers? A: Enter your input. Adjust the options. Copy the result. ## Binary Converter URL: https://addlinenumbers.com/binary-converter/ Category: 📝 Text Utilities Binary Converter is a free online text tool for writers, editors, students and anyone cleaning up copy. Free online binary converter. Convert numbers… Q: Is Binary Converter free to use? A: Yes. Binary Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Binary Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Binary Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Binary Converter? A: Enter your input. Adjust the options. Copy the result. ## Capitalize Text URL: https://addlinenumbers.com/capitalize-text/ Category: 📝 Text Utilities Capitalize Text is a free online text tool for writers, editors, students and anyone cleaning up copy. Capitalize your text instantly: uppercase the first… Q: Is Capitalize Text free to use? A: Yes. Capitalize Text is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Capitalize Text runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Capitalize Text work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Capitalize Text? A: Enter your input. Adjust the options. Copy the result. ## Case Converter URL: https://addlinenumbers.com/case-converter/ Category: 📝 Text Utilities Convert text between UPPER, lower, Title Case, Sentence case, camelCase and more. Free, no signup, and everything runs locally in your browser. Q: Is Case Converter free to use? A: Yes. Case Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Case Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Case Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Case Converter? A: Enter your input. Adjust the options. Copy the result. ## Character Counter URL: https://addlinenumbers.com/character-counter/ Category: 📝 Text Utilities Count characters, words, sentences, paragraphs, and reading time in real-time. Free, no signup, and everything runs locally in your browser. Q: Is Character Counter free to use? A: Yes. Character Counter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Character Counter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Character Counter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Character Counter? A: Enter your input. Adjust the options. Copy the result. ## Find and Replace Text URL: https://addlinenumbers.com/find-and-replace-text/ Category: 📝 Text Utilities Replace words or phrases everywhere at once — case-sensitive, whole-word or regex matching. Free, no signup, and everything runs locally in your browser. Q: Is Find and Replace Text free to use? A: Yes. Find and Replace Text is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Find and Replace Text runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Find and Replace Text work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Find and Replace Text? A: Enter your input. Adjust the options. Copy the result. ## HTML Entity Encoder URL: https://addlinenumbers.com/html-entity-encoder/ Category: 📝 Text Utilities HTML Entity Encoder is a free online text tool for writers, editors, students and anyone cleaning up copy. Free HTML entity encoder/decoder tool. Encode… Q: Is HTML Entity Encoder free to use? A: Yes. HTML Entity Encoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. HTML Entity Encoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does HTML Entity Encoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use HTML Entity Encoder? A: Enter your input. Adjust the options. Copy the result. ## HTML to Markdown URL: https://addlinenumbers.com/html-to-markdown/ Category: 📝 Text Utilities Convert HTML into clean Markdown for READMEs, documentation and CMS fields. A free online text tool with no signup, no uploads and nothing to install. Q: Is HTML to Markdown free to use? A: Yes. HTML to Markdown is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. HTML to Markdown runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does HTML to Markdown work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use HTML to Markdown? A: Enter your input. Adjust the options. Copy the result. ## Keyword Extractor URL: https://addlinenumbers.com/keyword-extractor/ Category: 📝 Text Utilities Extract the most important keywords from any text — ranked by frequency, ideal for SEO research. Free, no signup, runs in your browser. Free and instant. Q: Is Keyword Extractor free to use? A: Yes. Keyword Extractor is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Keyword Extractor runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Keyword Extractor work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Keyword Extractor? A: Enter your input. Adjust the options. Copy the result. ## Line Counter URL: https://addlinenumbers.com/line-counter/ Category: 📝 Text Utilities Count lines, blank lines, words and characters, and spot duplicate lines in any text. Free, no signup, and everything runs locally in your browser. Q: Is Line Counter free to use? A: Yes. Line Counter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Line Counter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Line Counter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Line Counter? A: Enter your input. Adjust the options. Copy the result. ## Lowercase Converter URL: https://addlinenumbers.com/lowercase-converter/ Category: 📝 Text Utilities Convert text to lowercase in one click, with word and character counts. A free online text tool with no signup, no uploads and nothing to install. Q: Is Lowercase Converter free to use? A: Yes. Lowercase Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Lowercase Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Lowercase Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Lowercase Converter? A: Enter your input. Adjust the options. Copy the result. ## Markdown to HTML URL: https://addlinenumbers.com/markdown-to-html/ Category: 📝 Text Utilities Convert Markdown to HTML with tables and code blocks, and preview the result. Free, no signup, and everything runs locally in your browser. Q: Is Markdown to HTML free to use? A: Yes. Markdown to HTML is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Markdown to HTML runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Markdown to HTML work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Markdown to HTML? A: Enter your input. Adjust the options. Copy the result. ## Online Text Analyzer URL: https://addlinenumbers.com/online-text-analyzer-free/ Category: 📝 Text Utilities Text analysis with readability score, reading time, sentence length and top word frequencies. Free, no signup, and everything runs locally in your browser. Q: Is Online Text Analyzer free to use? A: Yes. Online Text Analyzer is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Online Text Analyzer runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Online Text Analyzer work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Online Text Analyzer? A: Enter your input. Adjust the options. Copy the result. ## Remove Duplicate Lines URL: https://addlinenumbers.com/remove-duplicates/ Category: 📝 Text Utilities Deduplicate lines, sort alphabetically or keep original order. A free online text tool with no signup, no uploads and nothing to install. Free and instant. Q: Is Remove Duplicate Lines free to use? A: Yes. Remove Duplicate Lines is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Remove Duplicate Lines runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Remove Duplicate Lines work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Remove Duplicate Lines? A: Enter your input. Adjust the options. Copy the result. ## Remove Duplicate Lines URL: https://addlinenumbers.com/remove-duplicate-lines/ Category: 📝 Text Utilities Remove Duplicate Lines is a free online text tool for writers, editors, students and anyone cleaning up copy. Remove duplicate lines from any text… Q: Is Remove Duplicate Lines free to use? A: Yes. Remove Duplicate Lines is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Remove Duplicate Lines runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Remove Duplicate Lines work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Remove Duplicate Lines? A: Enter your input. Adjust the options. Copy the result. ## Remove Line Breaks URL: https://addlinenumbers.com/remove-line-breaks/ Category: 📝 Text Utilities Join lines, remove empty lines, trim whitespace — clean up messy text fast. A free online text tool with no signup, no uploads and nothing to install. Q: Is Remove Line Breaks free to use? A: Yes. Remove Line Breaks is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Remove Line Breaks runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Remove Line Breaks work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Remove Line Breaks? A: Enter your input. Adjust the options. Copy the result. ## Sort Lines Alphabetically URL: https://addlinenumbers.com/sort-lines-alphabetically/ Category: 📝 Text Utilities Sort any list A-Z or Z-A, ignore case, remove empty lines and duplicates. A free online text tool with no signup, no uploads and nothing to install. Q: Is Sort Lines Alphabetically free to use? A: Yes. Sort Lines Alphabetically is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Sort Lines Alphabetically runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Sort Lines Alphabetically work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Sort Lines Alphabetically? A: Enter your input. Adjust the options. Copy the result. ## Spelling Checker URL: https://addlinenumbers.com/spelling-checker/ Category: 📝 Text Utilities Spelling Checker is a free online text tool for writers, editors, students and anyone cleaning up copy. Check any text for misspellings against a built-in… Q: Is Spelling Checker free to use? A: Yes. Spelling Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Spelling Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Spelling Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Spelling Checker? A: Enter your input. Adjust the options. Copy the result. ## Text Cleaner URL: https://addlinenumbers.com/text-cleaner/ Category: 📝 Text Utilities Remove extra spaces, special characters, trim lines, strip HTML tags. A free online text tool with no signup, no uploads and nothing to install. Q: Is Text Cleaner free to use? A: Yes. Text Cleaner is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Text Cleaner runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Text Cleaner work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Text Cleaner? A: Enter your input. Adjust the options. Copy the result. ## Text Diff Checker URL: https://addlinenumbers.com/text-diff-checker/ Category: 📝 Text Utilities Compare two texts and see exactly what changed — added and removed lines highlighted. Free, no signup, and everything runs locally in your browser. Q: Is Text Diff Checker free to use? A: Yes. Text Diff Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Text Diff Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Text Diff Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Text Diff Checker? A: Enter your input. Adjust the options. Copy the result. ## Text Reverser URL: https://addlinenumbers.com/text-reverser/ Category: 📝 Text Utilities Reverse text by character, by word or line by line, safely handling Unicode and emoji. Free, no signup, and everything runs locally in your browser. Q: Is Text Reverser free to use? A: Yes. Text Reverser is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Text Reverser runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Text Reverser work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Text Reverser? A: Enter your input. Adjust the options. Copy the result. ## Text Summarizer URL: https://addlinenumbers.com/text-summarizer/ Category: 📝 Text Utilities Condense any text to its key sentences — perfect for articles, reports and long emails. Free, no signup, and everything runs locally in your browser. Q: Is Text Summarizer free to use? A: Yes. Text Summarizer is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Text Summarizer runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Text Summarizer work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Text Summarizer? A: Enter your input. Adjust the options. Copy the result. ## Text to Slug Converter URL: https://addlinenumbers.com/text-to-slug/ Category: 📝 Text Utilities Text to Slug Converter is a free online text tool for writers, editors, students and anyone cleaning up copy. Convert any title or text into a clean… Q: Is Text to Slug Converter free to use? A: Yes. Text to Slug Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Text to Slug Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Text to Slug Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Text to Slug Converter? A: Enter your input. Adjust the options. Copy the result. ## Uppercase Converter URL: https://addlinenumbers.com/uppercase-converter/ Category: 📝 Text Utilities Convert text to UPPERCASE, with correct handling of German umlauts and the letter ß. Free, no signup, and everything runs locally in your browser. Q: Is Uppercase Converter free to use? A: Yes. Uppercase Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Uppercase Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Uppercase Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Uppercase Converter? A: Enter your input. Adjust the options. Copy the result. ## Base64 Decoder URL: https://addlinenumbers.com/base64-decoder/ Category: 💻 Developer Utilities Decode Base64 back into readable text, including URL-safe input and missing padding. Free, no signup, and everything runs locally in your browser. Q: Is Base64 Decoder free to use? A: Yes. Base64 Decoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Base64 Decoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Base64 Decoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Base64 Decoder? A: Enter your input. Adjust the options. Copy the result. ## Base64 Encoder / Decoder URL: https://addlinenumbers.com/base64-encoder/ Category: 💻 Developer Utilities Base64 Encoder / Decoder is a free online developer tool. Encode and decode text to/from Base64 instantly. No signup, nothing uploaded, works on mobile. Q: Is Base64 Encoder / Decoder free to use? A: Yes. Base64 Encoder / Decoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Base64 Encoder / Decoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Base64 Encoder / Decoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Base64 Encoder / Decoder? A: Enter your input. Adjust the options. Copy the result. ## Cron Expression Generator URL: https://addlinenumbers.com/cron-generator/ Category: 💻 Developer Utilities Build cron expressions visually. Preview next 5 fire times. A free online developer tool with no signup, no uploads and nothing to install. Q: Is Cron Expression Generator free to use? A: Yes. Cron Expression Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Cron Expression Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Cron Expression Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Cron Expression Generator? A: Enter your input. Adjust the options. Copy the result. ## CSV to JSON Converter URL: https://addlinenumbers.com/csv-to-json-converter/ Category: 💻 Developer Utilities CSV to JSON Converter is a free online developer tool for developers debugging payloads, configs and code. Convert CSV to JSON in your browser. Quoted… Q: Is CSV to JSON Converter free to use? A: Yes. CSV to JSON Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. CSV to JSON Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does CSV to JSON Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use CSV to JSON Converter? A: Enter your input. Adjust the options. Copy the result. ## IP Address Lookup URL: https://addlinenumbers.com/ip-address-lookup/ Category: 💻 Developer Utilities IP Address Lookup is a free online developer tool for developers debugging payloads, configs and code. Analyse any IPv4 or IPv6 address in your browser… Q: Is IP Address Lookup free to use? A: Yes. IP Address Lookup is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. IP Address Lookup runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does IP Address Lookup work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use IP Address Lookup? A: Enter your input. Adjust the options. Copy the result. ## JavaScript Formatter URL: https://addlinenumbers.com/javascript-formatter/ Category: 💻 Developer Utilities JavaScript Formatter is a free online developer tool for developers debugging payloads, configs and code. Paste JavaScript and get clean, consistently… Q: Is JavaScript Formatter free to use? A: Yes. JavaScript Formatter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JavaScript Formatter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JavaScript Formatter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JavaScript Formatter? A: Enter your input. Adjust the options. Copy the result. ## JavaScript Beautifier URL: https://addlinenumbers.com/js-beautifier/ Category: 💻 Developer Utilities Beautify and format minified JavaScript into readable code. A free online developer tool with no signup, no uploads and nothing to install. Q: Is JavaScript Beautifier free to use? A: Yes. JavaScript Beautifier is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JavaScript Beautifier runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JavaScript Beautifier work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JavaScript Beautifier? A: Enter your input. Adjust the options. Copy the result. ## JSON Formatter URL: https://addlinenumbers.com/json-formatter/ Category: 💻 Developer Utilities Format, validate, and minify JSON. Beautify messy JSON in one click. A free online developer tool with no signup, no uploads and nothing to install. Q: Is JSON Formatter free to use? A: Yes. JSON Formatter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JSON Formatter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JSON Formatter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JSON Formatter? A: Enter your input. Adjust the options. Copy the result. ## JSON Syntax Validator URL: https://addlinenumbers.com/json-syntax-validator/ Category: 💻 Developer Utilities Validate JSON syntax with exact line, column and path, catch duplicate keys and format or minify — in your browser. Free, no signup, runs in your browser. Q: Is JSON Syntax Validator free to use? A: Yes. JSON Syntax Validator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JSON Syntax Validator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JSON Syntax Validator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JSON Syntax Validator? A: Enter your input. Adjust the options. Copy the result. ## JSON to CSV Converter URL: https://addlinenumbers.com/json-to-csv-converter/ Category: 💻 Developer Utilities JSON to CSV Converter is a free online developer tool for developers debugging payloads, configs and code. Convert JSON to CSV in your browser. Nested… Q: Is JSON to CSV Converter free to use? A: Yes. JSON to CSV Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JSON to CSV Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JSON to CSV Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JSON to CSV Converter? A: Enter your input. Adjust the options. Copy the result. ## JWT Decoder URL: https://addlinenumbers.com/jwt-decoder/ Category: 💻 Developer Utilities Decode JSON Web Tokens (JWT) without a server — inspect header and payload. A free online developer tool with no signup, no uploads and nothing to install. Q: Is JWT Decoder free to use? A: Yes. JWT Decoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JWT Decoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JWT Decoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JWT Decoder? A: Enter your input. Adjust the options. Copy the result. ## Regex Tester URL: https://addlinenumbers.com/regex-tester/ Category: 💻 Developer Utilities Test regular expressions against any text with real-time match highlighting. Free, no signup, and everything runs locally in your browser. Q: Is Regex Tester free to use? A: Yes. Regex Tester is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Regex Tester runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Regex Tester work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Regex Tester? A: Enter your input. Adjust the options. Copy the result. ## RGB to HEX Converter URL: https://addlinenumbers.com/rgb-to-hex-converter/ Category: 💻 Developer Utilities Convert RGB and HSL values to HEX and back, with sliders and a live colour preview. Free, no signup, and everything runs locally in your browser. Q: Is RGB to HEX Converter free to use? A: Yes. RGB to HEX Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. RGB to HEX Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does RGB to HEX Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use RGB to HEX Converter? A: Enter your input. Adjust the options. Copy the result. ## SQL Formatter URL: https://addlinenumbers.com/sql-formatter/ Category: 💻 Developer Utilities SQL Formatter is a free online developer tool for developers debugging payloads, configs and code. Format or minify SQL in your browser: one clause per… Q: Is SQL Formatter free to use? A: Yes. SQL Formatter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SQL Formatter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SQL Formatter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SQL Formatter? A: Enter your input. Adjust the options. Copy the result. ## SSL Certificate Checker URL: https://addlinenumbers.com/ssl-certificate-checker/ Category: 💻 Developer Utilities SSL Certificate Checker is a free online developer tool for developers debugging payloads, configs and code. Paste a PEM certificate to decode subject… Q: Is SSL Certificate Checker free to use? A: Yes. SSL Certificate Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SSL Certificate Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SSL Certificate Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SSL Certificate Checker? A: Enter your input. Adjust the options. Copy the result. ## URL Decoder URL: https://addlinenumbers.com/url-decoder/ Category: 💻 Developer Utilities Encode or decode URLs and split them into host, path and query parameters. A free online developer tool with no signup, no uploads and nothing to install. Q: Is URL Decoder free to use? A: Yes. URL Decoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. URL Decoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does URL Decoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use URL Decoder? A: Enter your input. Adjust the options. Copy the result. ## URL Encoder / Decoder URL: https://addlinenumbers.com/url-encoder/ Category: 💻 Developer Utilities URL Encoder / Decoder is a free online developer tool for developers debugging payloads, configs and code. Percent-encode text for links, query parameters… Q: Is URL Encoder / Decoder free to use? A: Yes. URL Encoder / Decoder is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. URL Encoder / Decoder runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does URL Encoder / Decoder work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use URL Encoder / Decoder? A: Enter your input. Adjust the options. Copy the result. ## UUID Generator URL: https://addlinenumbers.com/uuid-generator/ Category: 💻 Developer Utilities Generate UUID v4, v7 identifiers. Bulk generate up to 100 at once. A free online developer tool with no signup, no uploads and nothing to install. Q: Is UUID Generator free to use? A: Yes. UUID Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. UUID Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does UUID Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use UUID Generator? A: Enter your input. Adjust the options. Copy the result. ## Web Developer Tool URL: https://addlinenumbers.com/web-developer-tool-online/ Category: 💻 Developer Utilities A developer toolbox on one page: JSON formatter, HTML entities, timestamp converter and hash helper. Free, no signup, runs in your browser. Q: Is Web Developer Tool free to use? A: Yes. Web Developer Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Web Developer Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Web Developer Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Web Developer Tool? A: Enter your input. Adjust the options. Copy the result. ## XML to JSON Converter URL: https://addlinenumbers.com/xml-to-json-converter/ Category: 💻 Developer Utilities XML to JSON Converter is a free online developer tool for developers debugging payloads, configs and code. Convert XML to JSON for free in your browser.… Q: Is XML to JSON Converter free to use? A: Yes. XML to JSON Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. XML to JSON Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does XML to JSON Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use XML to JSON Converter? A: Enter your input. Adjust the options. Copy the result. ## YAML to JSON Converter URL: https://addlinenumbers.com/yaml-to-json/ Category: 💻 Developer Utilities Convert YAML to JSON and vice versa. Paste and convert instantly. A free online developer tool with no signup, no uploads and nothing to install. Q: Is YAML to JSON Converter free to use? A: Yes. YAML to JSON Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. YAML to JSON Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does YAML to JSON Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use YAML to JSON Converter? A: Enter your input. Adjust the options. Copy the result. ## Compound Interest Calculator URL: https://addlinenumbers.com/compound-interest-calculator/ Category: 💰 Finance Calculators Calculate compound interest with any compounding frequency and optional monthly additions. Free, no signup, and everything runs locally in your browser. Q: Is Compound Interest Calculator free to use? A: Yes. Compound Interest Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Compound Interest Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Compound Interest Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Compound Interest Calculator? A: Enter your input. Adjust the options. Copy the result. ## Credit Card Validator URL: https://addlinenumbers.com/credit-card-validator/ Category: 💰 Finance Calculators Credit Card Validator is a free online calculator for anyone planning a loan, investment, salary or purchase. Check a card number properly: Luhn checksum… Q: Is Credit Card Validator free to use? A: Yes. Credit Card Validator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Credit Card Validator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Credit Card Validator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Credit Card Validator? A: Enter your input. Adjust the options. Copy the result. ## Currency Converter URL: https://addlinenumbers.com/currency-converter/ Category: 💰 Finance Calculators Convert between 30 currencies with an exchange-rate feed, showing the rate and its date. Free, no signup, and everything runs locally in your browser. Q: Is Currency Converter free to use? A: Yes. Currency Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Currency Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Currency Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Currency Converter? A: Enter your input. Adjust the options. Copy the result. ## Discount Calculator URL: https://addlinenumbers.com/discount-calculator/ Category: 💰 Finance Calculators Work out sale price, savings and effective discount, including stacked discounts. Free, no signup, and everything runs locally in your browser. Q: Is Discount Calculator free to use? A: Yes. Discount Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Discount Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Discount Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Discount Calculator? A: Enter your input. Adjust the options. Copy the result. ## EMI Calculator URL: https://addlinenumbers.com/emi-calculator/ Category: 💰 Finance Calculators Calculate monthly EMI, total interest, and full amortization schedule for any loan. Free, no signup, and everything runs locally in your browser. Q: Is EMI Calculator free to use? A: Yes. EMI Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. EMI Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does EMI Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use EMI Calculator? A: Enter your input. Adjust the options. Copy the result. ## FD Calculator URL: https://addlinenumbers.com/fd-calculator/ Category: 💰 Finance Calculators Fixed Deposit maturity calculator with senior citizen rates and compounding options. Free, no signup, and everything runs locally in your browser. Q: Is FD Calculator free to use? A: Yes. FD Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. FD Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does FD Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use FD Calculator? A: Enter your input. Adjust the options. Copy the result. ## Fuel Cost Calculator URL: https://addlinenumbers.com/fuel-cost-calculator/ Category: 💰 Finance Calculators Trip fuel cost from distance, consumption and price per litre, with cost per person. Free, no signup, and everything runs locally in your browser. Q: Is Fuel Cost Calculator free to use? A: Yes. Fuel Cost Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Fuel Cost Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Fuel Cost Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Fuel Cost Calculator? A: Enter your input. Adjust the options. Copy the result. ## GST Calculator URL: https://addlinenumbers.com/gst-calculator/ Category: 💰 Finance Calculators Calculate GST amounts for all slabs (5%, 12%, 18%, 28%) — inclusive and exclusive modes. Free, no signup, and everything runs locally in your browser. Q: Is GST Calculator free to use? A: Yes. GST Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. GST Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does GST Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use GST Calculator? A: Enter your input. Adjust the options. Copy the result. ## Loan Calculator URL: https://addlinenumbers.com/loan-calculator/ Category: 💰 Finance Calculators Monthly payment, total interest and a full amortisation schedule for any loan. Free, no signup, and everything runs locally in your browser. Q: Is Loan Calculator free to use? A: Yes. Loan Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Loan Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Loan Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Loan Calculator? A: Enter your input. Adjust the options. Copy the result. ## Mortgage Calculator URL: https://addlinenumbers.com/mortgage-calculator/ Category: 💰 Finance Calculators Monthly payment, total cost and interest share of a mortgage, with a yearly schedule. Free, no signup, and everything runs locally in your browser. Q: Is Mortgage Calculator free to use? A: Yes. Mortgage Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Mortgage Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Mortgage Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Mortgage Calculator? A: Enter your input. Adjust the options. Copy the result. ## Percentage Calculator URL: https://addlinenumbers.com/percentage-calculator/ Category: 💰 Finance Calculators Four percentage modes: X percent of Y, X is what percent of Y, increase or decrease, and change between two values. Free, no signup, runs in your browser. Q: Is Percentage Calculator free to use? A: Yes. Percentage Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Percentage Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Percentage Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Percentage Calculator? A: Enter your input. Adjust the options. Copy the result. ## Salary Calculator URL: https://addlinenumbers.com/salary-calculator/ Category: 💰 Finance Calculators Turn an hourly rate into weekly, monthly and yearly pay, or work backwards from a salary. Free, no signup, and everything runs locally in your browser. Q: Is Salary Calculator free to use? A: Yes. Salary Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Salary Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Salary Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Salary Calculator? A: Enter your input. Adjust the options. Copy the result. ## Shipping Cost Calculator URL: https://addlinenumbers.com/shipping-cost-calculator/ Category: 💰 Finance Calculators Estimate parcel cost from weight, dimensions and shipping zone, including volumetric weight. Free, no signup, and everything runs locally in your browser. Q: Is Shipping Cost Calculator free to use? A: Yes. Shipping Cost Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Shipping Cost Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Shipping Cost Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Shipping Cost Calculator? A: Enter your input. Adjust the options. Copy the result. ## SIP Calculator URL: https://addlinenumbers.com/sip-calculator/ Category: 💰 Finance Calculators Plan your mutual fund SIP investments. See maturity value, returns, and yearly growth chart. Free, no signup, and everything runs locally in your browser. Q: Is SIP Calculator free to use? A: Yes. SIP Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SIP Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SIP Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SIP Calculator? A: Enter your input. Adjust the options. Copy the result. ## Tip Calculator URL: https://addlinenumbers.com/tip-calculator/ Category: 💰 Finance Calculators Work out tip, total and the per-person share, with quick buttons from 5 to 20 percent. Free, no signup, and everything runs locally in your browser. Q: Is Tip Calculator free to use? A: Yes. Tip Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Tip Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Tip Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Tip Calculator? A: Enter your input. Adjust the options. Copy the result. ## VAT Calculator URL: https://addlinenumbers.com/vat-calculator/ Category: 💰 Finance Calculators Add or remove VAT at 19 percent, 7 percent or any custom rate, showing net, tax and gross separately. Free, no signup, runs in your browser. Q: Is VAT Calculator free to use? A: Yes. VAT Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. VAT Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does VAT Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use VAT Calculator? A: Enter your input. Adjust the options. Copy the result. ## BMI Calculator URL: https://addlinenumbers.com/bmi-calculator/ Category: 🏃 Health Tools BMI Calculator is a free online health calculator for people tracking weight, BMI and daily energy needs. Calculate your BMI with metric or imperial… Q: Is BMI Calculator free to use? A: Yes. BMI Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. BMI Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does BMI Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use BMI Calculator? A: Enter your input. Adjust the options. Copy the result. ## Calorie Calculator URL: https://addlinenumbers.com/calorie-calculator/ Category: 🏃 Health Tools Estimate daily calories with the Mifflin-St Jeor formula: maintenance, mild deficit and stronger deficit. Free, no signup, runs in your browser. Q: Is Calorie Calculator free to use? A: Yes. Calorie Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Calorie Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Calorie Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Calorie Calculator? A: Enter your input. Adjust the options. Copy the result. ## Alt Text Checker URL: https://addlinenumbers.com/alt-text-checker/ Category: 🔧 SEO Tools Paste your HTML and every image is checked for missing, empty, too short, file-name-based or duplicate alt texts. Free, no signup, runs in your browser. Q: Is Alt Text Checker free to use? A: Yes. Alt Text Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Alt Text Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Alt Text Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Alt Text Checker? A: Enter your input. Adjust the options. Copy the result. ## Broken Link Checker URL: https://addlinenumbers.com/broken-link-checker/ Category: 🔧 SEO Tools Broken Link Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste a list of URLs and every link is checked by its… Q: Is Broken Link Checker free to use? A: Yes. Broken Link Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Broken Link Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Broken Link Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Broken Link Checker? A: Enter your input. Adjust the options. Copy the result. ## Heading Structure Checker URL: https://addlinenumbers.com/heading-structure-checker/ Category: 🔧 SEO Tools Heading Structure Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste your HTML and check the H1–H6 hierarchy.… Q: Is Heading Structure Checker free to use? A: Yes. Heading Structure Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Heading Structure Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Heading Structure Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Heading Structure Checker? A: Enter your input. Adjust the options. Copy the result. ## Hreflang Generator URL: https://addlinenumbers.com/hreflang-generator/ Category: 🔧 SEO Tools Generate hreflang tags for multilingual websites. Supports 30+ languages and country codes. Free, no signup, and everything runs locally in your browser. Q: Is Hreflang Generator free to use? A: Yes. Hreflang Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Hreflang Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Hreflang Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Hreflang Generator? A: Enter your input. Adjust the options. Copy the result. ## Keyword Density Checker URL: https://addlinenumbers.com/keyword-density-checker/ Category: 🔧 SEO Tools Analyze keyword frequency, density, and phrases in any text. Filter stop words, sort by density or count. Free, no signup, runs in your browser. Q: Is Keyword Density Checker free to use? A: Yes. Keyword Density Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Keyword Density Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Keyword Density Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Keyword Density Checker? A: Enter your input. Adjust the options. Copy the result. ## Meta Description Checker URL: https://addlinenumbers.com/meta-description-checker/ Category: 🔧 SEO Tools Meta Description Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste your meta description and get instant checks… Q: Is Meta Description Checker free to use? A: Yes. Meta Description Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Meta Description Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Meta Description Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Meta Description Checker? A: Enter your input. Adjust the options. Copy the result. ## Meta Tag Analyzer URL: https://addlinenumbers.com/meta-tag-analyzer/ Category: 🔧 SEO Tools Paste page HTML and inspect title, meta description, canonical, Open Graph and heading outline. Free, no signup, runs in your browser. Free and instant. Q: Is Meta Tag Analyzer free to use? A: Yes. Meta Tag Analyzer is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Meta Tag Analyzer runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Meta Tag Analyzer work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Meta Tag Analyzer? A: Enter your input. Adjust the options. Copy the result. ## Meta Tag Generator URL: https://addlinenumbers.com/meta-generator/ Category: 🔧 SEO Tools Generate SEO-optimized meta titles, descriptions, and Open Graph tags. A free online SEO tool with no signup, no uploads and nothing to install. Q: Is Meta Tag Generator free to use? A: Yes. Meta Tag Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Meta Tag Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Meta Tag Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Meta Tag Generator? A: Enter your input. Adjust the options. Copy the result. ## Page Title Analyzer URL: https://addlinenumbers.com/page-title-analyzer/ Category: 🔧 SEO Tools Page Title Analyzer is a free online SEO tool for SEO consultants, content teams and site owners. Paste your page title and get a 0-100 score: length vs.… Q: Is Page Title Analyzer free to use? A: Yes. Page Title Analyzer is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Page Title Analyzer runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Page Title Analyzer work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Page Title Analyzer? A: Enter your input. Adjust the options. Copy the result. ## Robots.txt Generator URL: https://addlinenumbers.com/robots-txt-generator/ Category: 🔧 SEO Tools Create robots.txt files visually. Presets for WordPress, Shopify, Magento. Add rules, sitemaps, crawl-delay. Free, no signup, runs in your browser. Q: Is Robots.txt Generator free to use? A: Yes. Robots.txt Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Robots.txt Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Robots.txt Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Robots.txt Generator? A: Enter your input. Adjust the options. Copy the result. ## Schema.org Generator URL: https://addlinenumbers.com/schema-generator/ Category: 🔧 SEO Tools Schema.org Generator is a free online SEO tool for SEO consultants, content teams and site owners. Generate JSON-LD structured data for 10+ schema types… Q: Is Schema.org Generator free to use? A: Yes. Schema.org Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Schema.org Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Schema.org Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Schema.org Generator? A: Enter your input. Adjust the options. Copy the result. ## SEO Audit URL: https://addlinenumbers.com/seo-audit/ Category: 🔧 SEO Tools SEO Audit is a free online SEO tool. Free SEO audit tool. Analyze any website. No signup, nothing uploaded, works on mobile. Works on desktop and mobile. Q: Is SEO Audit free to use? A: Yes. SEO Audit is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SEO Audit runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SEO Audit work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SEO Audit? A: Enter your input. Adjust the options. Copy the result. ## SEO Checker URL: https://addlinenumbers.com/seo-checker-tool-free/ Category: 🔧 SEO Tools Paste your page HTML for a scored checklist: title, meta description, headings, images and links. Free, no signup, runs in your browser. Free and instant. Q: Is SEO Checker free to use? A: Yes. SEO Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SEO Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SEO Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SEO Checker? A: Enter your input. Adjust the options. Copy the result. ## SERP Preview Tool URL: https://addlinenumbers.com/serp-preview-tool/ Category: 🔧 SEO Tools SERP Preview Tool is a free online SEO tool for SEO consultants, content teams and site owners. Compose title, URL and meta description and watch a live… Q: Is SERP Preview Tool free to use? A: Yes. SERP Preview Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. SERP Preview Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does SERP Preview Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use SERP Preview Tool? A: Enter your input. Adjust the options. Copy the result. ## Slug Generator URL: https://addlinenumbers.com/slug-generator/ Category: 🔧 SEO Tools Slug Generator is a free online SEO tool. Convert any text into a clean, SEO-friendly URL slug. No signup, nothing uploaded, works on mobile. Q: Is Slug Generator free to use? A: Yes. Slug Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Slug Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Slug Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Slug Generator? A: Enter your input. Adjust the options. Copy the result. ## XML Sitemap Generator URL: https://addlinenumbers.com/sitemap-generator/ Category: 🔧 SEO Tools Generate XML sitemaps with changefreq, priority, and sitemap index support. A free online SEO tool with no signup, no uploads and nothing to install. Q: Is XML Sitemap Generator free to use? A: Yes. XML Sitemap Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. XML Sitemap Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does XML Sitemap Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use XML Sitemap Generator? A: Enter your input. Adjust the options. Copy the result. ## URL Validator URL: https://addlinenumbers.com/url-validator/ Category: 🔧 SEO Tools URL Validator is a free online SEO tool for SEO consultants, content teams and site owners. Check any URL: syntax and structure, parsed components, and… Q: Is URL Validator free to use? A: Yes. URL Validator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. URL Validator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does URL Validator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use URL Validator? A: Enter your input. Adjust the options. Copy the result. ## Batch Image Resize URL: https://addlinenumbers.com/batch-image-resize/ Category: 🔢 Converters Batch Image Resize is a free online file converter for anyone converting images, audio, video, units or colours. Resize multiple images at once in your… Q: Is Batch Image Resize free to use? A: Yes. Batch Image Resize is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Batch Image Resize runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Batch Image Resize work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Batch Image Resize? A: Enter your input. Adjust the options. Copy the result. ## Color Converter URL: https://addlinenumbers.com/color-converter/ Category: 🔢 Converters Convert colours between HEX, RGB, HSL, HSV and CMYK, with a WCAG contrast check. Free, no signup, and everything runs locally in your browser. Q: Is Color Converter free to use? A: Yes. Color Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Color Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Color Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Color Converter? A: Enter your input. Adjust the options. Copy the result. ## Color Palette Generator URL: https://addlinenumbers.com/color-palette-generator/ Category: 🔢 Converters Build complementary, analogous, triadic and monochromatic palettes from one base colour. Free, no signup, and everything runs locally in your browser. Q: Is Color Palette Generator free to use? A: Yes. Color Palette Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Color Palette Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Color Palette Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Color Palette Generator? A: Enter your input. Adjust the options. Copy the result. ## Grayscale Converter URL: https://addlinenumbers.com/grayscale-converter/ Category: 🔢 Converters Convert images to black and white with an adjustable intensity slider. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is Grayscale Converter free to use? A: Yes. Grayscale Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Grayscale Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Grayscale Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Grayscale Converter? A: Enter your input. Adjust the options. Copy the result. ## Hex to RGB Converter URL: https://addlinenumbers.com/hex-rgb/ Category: 🔢 Converters Convert between Hex (#FF0000) and RGB (255, 0, 0) color formats. A free online file converter with no signup, no uploads and nothing to install. Q: Is Hex to RGB Converter free to use? A: Yes. Hex to RGB Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Hex to RGB Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Hex to RGB Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Hex to RGB Converter? A: Enter your input. Adjust the options. Copy the result. ## Image Blur Tool URL: https://addlinenumbers.com/image-blur-tool/ Category: 🔢 Converters Blur any image in your browser with an adjustable strength slider. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is Image Blur Tool free to use? A: Yes. Image Blur Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Blur Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Blur Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Blur Tool? A: Enter your input. Adjust the options. Copy the result. ## Image Colorizer URL: https://addlinenumbers.com/image-colorizer/ Category: 🔢 Converters Colorize black and white photos or boost faded colors in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is Image Colorizer free to use? A: Yes. Image Colorizer is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Colorizer runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Colorizer work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Colorizer? A: Enter your input. Adjust the options. Copy the result. ## Image Converter URL: https://addlinenumbers.com/image-converter/ Category: 🔢 Converters Convert images between PNG, JPEG and WebP in the browser, without uploading them. Free, no signup, and everything runs locally in your browser. Q: Is Image Converter free to use? A: Yes. Image Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Converter? A: Enter your input. Adjust the options. Copy the result. ## Image Mirror Effect URL: https://addlinenumbers.com/image-mirror-effect/ Category: 🔢 Converters Flip any image horizontally or vertically in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Free and instant. Q: Is Image Mirror Effect free to use? A: Yes. Image Mirror Effect is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Mirror Effect runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Mirror Effect work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Mirror Effect? A: Enter your input. Adjust the options. Copy the result. ## Image Processing Tool URL: https://addlinenumbers.com/image-processing-tool-online/ Category: 🔢 Converters Resize, rotate, flip, grayscale and compress images locally in your browser. Free, no signup, and everything runs locally in your browser. Q: Is Image Processing Tool free to use? A: Yes. Image Processing Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Processing Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Processing Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Processing Tool? A: Enter your input. Adjust the options. Copy the result. ## Image to Text (OCR) URL: https://addlinenumbers.com/image-to-text-ocr/ Category: 🔢 Converters Image to Text (OCR) is a free online file converter for anyone converting images, audio, video, units or colours. Extract text from images and screenshots… Q: Is Image to Text (OCR) free to use? A: Yes. Image to Text (OCR) is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image to Text (OCR) runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image to Text (OCR) work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image to Text (OCR)? A: Enter your input. Adjust the options. Copy the result. ## Image to WebP Converter URL: https://addlinenumbers.com/image-to-webp/ Category: 🔢 Converters Convert PNG, JPG, GIF and BMP images to WebP format in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is Image to WebP Converter free to use? A: Yes. Image to WebP Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image to WebP Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image to WebP Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image to WebP Converter? A: Enter your input. Adjust the options. Copy the result. ## Image Watermark URL: https://addlinenumbers.com/image-watermark/ Category: 🔢 Converters Image Watermark is a free online file converter for anyone converting images, audio, video, units or colours. Add a custom text watermark to any image in… Q: Is Image Watermark free to use? A: Yes. Image Watermark is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Image Watermark runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Image Watermark work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Image Watermark? A: Enter your input. Adjust the options. Copy the result. ## JPG to PNG URL: https://addlinenumbers.com/jpg-to-png/ Category: 🔢 Converters Turn JPG photos into PNG files, with optional resizing before download. A free online file converter with no signup, no uploads and nothing to install. Q: Is JPG to PNG free to use? A: Yes. JPG to PNG is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. JPG to PNG runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does JPG to PNG work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use JPG to PNG? A: Enter your input. Adjust the options. Copy the result. ## Meme Maker URL: https://addlinenumbers.com/meme-maker/ Category: 🔢 Converters Meme Maker is a free online file converter for anyone converting images, audio, video, units or colours. Add classic top and bottom captions to any image… Q: Is Meme Maker free to use? A: Yes. Meme Maker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Meme Maker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Meme Maker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Meme Maker? A: Enter your input. Adjust the options. Copy the result. ## MP4 to MP3 Converter URL: https://addlinenumbers.com/mp4-to-mp3-converter/ Category: 🔢 Converters MP4 to MP3 Converter is a free online file converter for anyone converting images, audio, video, units or colours. Extract the audio track from an MP4… Q: Is MP4 to MP3 Converter free to use? A: Yes. MP4 to MP3 Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. MP4 to MP3 Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does MP4 to MP3 Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use MP4 to MP3 Converter? A: Enter your input. Adjust the options. Copy the result. ## Unit Converter URL: https://addlinenumbers.com/online-converter-tool/ Category: 🔢 Converters Convert length, weight, temperature, area, volume and speed units in one place. Free, no signup, and everything runs locally in your browser. Q: Is Unit Converter free to use? A: Yes. Unit Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Unit Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Unit Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Unit Converter? A: Enter your input. Adjust the options. Copy the result. ## Photo Compressor URL: https://addlinenumbers.com/photo-compressor/ Category: 🔢 Converters Photo Compressor is a free online file converter for anyone converting images, audio, video, units or colours. Free online photo compressor. Resize… Q: Is Photo Compressor free to use? A: Yes. Photo Compressor is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Photo Compressor runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Photo Compressor work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Photo Compressor? A: Enter your input. Adjust the options. Copy the result. ## Photo Rotator URL: https://addlinenumbers.com/photo-rotator/ Category: 🔢 Converters Rotate any image 90°, 180°, 270° or to a custom angle in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is Photo Rotator free to use? A: Yes. Photo Rotator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Photo Rotator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Photo Rotator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Photo Rotator? A: Enter your input. Adjust the options. Copy the result. ## PNG to JPG Converter URL: https://addlinenumbers.com/png-to-jpg/ Category: 🔢 Converters Convert PNG images to JPG format instantly in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Q: Is PNG to JPG Converter free to use? A: Yes. PNG to JPG Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. PNG to JPG Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does PNG to JPG Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use PNG to JPG Converter? A: Enter your input. Adjust the options. Copy the result. ## Remove Background URL: https://addlinenumbers.com/remove-background/ Category: 🔢 Converters Remove image backgrounds with a local AI model. Drag and drop, no upload, 100% private, transparent PNG download. Free, no signup, runs in your browser. Q: Is Remove Background free to use? A: Yes. Remove Background is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Remove Background runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Remove Background work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Remove Background? A: Enter your input. Adjust the options. Copy the result. ## Temperature Converter URL: https://addlinenumbers.com/temperature-converter/ Category: 🔢 Converters Temperature Converter is a free online file converter for anyone converting images, audio, video, units or colours. Free online temperature converter.… Q: Is Temperature Converter free to use? A: Yes. Temperature Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Temperature Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Temperature Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Temperature Converter? A: Enter your input. Adjust the options. Copy the result. ## Time Duration Calculator URL: https://addlinenumbers.com/time-duration-calculator/ Category: 🔢 Converters Time Duration Calculator is a free online file converter for anyone converting images, audio, video, units or colours. Free online time duration… Q: Is Time Duration Calculator free to use? A: Yes. Time Duration Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Time Duration Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Time Duration Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Time Duration Calculator? A: Enter your input. Adjust the options. Copy the result. ## Unit Converter URL: https://addlinenumbers.com/unit-converter-free/ Category: 🔢 Converters Quick unit conversion for length, weight, temperature, area, volume and speed, with a live result as you type. Free, no signup, runs in your browser. Q: Is Unit Converter free to use? A: Yes. Unit Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Unit Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Unit Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Unit Converter? A: Enter your input. Adjust the options. Copy the result. ## Video to GIF Converter URL: https://addlinenumbers.com/video-to-gif-converter/ Category: 🔢 Converters Video to GIF Converter is a free online file converter for anyone converting images, audio, video, units or colours. Convert MP4 or WebM clips into… Q: Is Video to GIF Converter free to use? A: Yes. Video to GIF Converter is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Video to GIF Converter runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Video to GIF Converter work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Video to GIF Converter? A: Enter your input. Adjust the options. Copy the result. ## Age Calculator URL: https://addlinenumbers.com/age-calculator/ Category: 📈 Business Tools Exact age in years, months, days and hours from any birth date, plus a countdown to the next birthday. Free, no signup, runs in your browser. Q: Is Age Calculator free to use? A: Yes. Age Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Age Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Age Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Age Calculator? A: Enter your input. Adjust the options. Copy the result. ## AI Writing Tool URL: https://addlinenumbers.com/ai-writing-tool-online/ Category: 📈 Business Tools Tighten your writing: filler words, passive voice, overlong sentences, readability score and word count. Free, no signup, runs in your browser. Q: Is AI Writing Tool free to use? A: Yes. AI Writing Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. AI Writing Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does AI Writing Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use AI Writing Tool? A: Enter your input. Adjust the options. Copy the result. ## Break-Even Calculator URL: https://addlinenumbers.com/break-even-calculator/ Category: 📈 Business Tools Calculate break-even point in units and revenue. Visual chart with profit/loss zones. Free, no signup, and everything runs locally in your browser. Q: Is Break-Even Calculator free to use? A: Yes. Break-Even Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Break-Even Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Break-Even Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Break-Even Calculator? A: Enter your input. Adjust the options. Copy the result. ## Business Calculator URL: https://addlinenumbers.com/business-calculator-online/ Category: 📈 Business Tools Margin, markup, ROI and break-even in one place: enter cost and price, see the profit instantly. Free, no signup, runs in your browser. Free and instant. Q: Is Business Calculator free to use? A: Yes. Business Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Business Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Business Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Business Calculator? A: Enter your input. Adjust the options. Copy the result. ## Grammar Checker URL: https://addlinenumbers.com/grammar-checker-online/ Category: 📈 Business Tools Find doubled words, spacing mistakes, missing capitals and punctuation slips in your text. Free, no signup, and everything runs locally in your browser. Q: Is Grammar Checker free to use? A: Yes. Grammar Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Grammar Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Grammar Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Grammar Checker? A: Enter your input. Adjust the options. Copy the result. ## Invoice Template Generator URL: https://addlinenumbers.com/invoice-template-generator/ Category: 📈 Business Tools Invoice Template Generator is a free online business tool for freelancers, small teams and operations staff. Fill in your business and client details, add… Q: Is Invoice Template Generator free to use? A: Yes. Invoice Template Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Invoice Template Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Invoice Template Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Invoice Template Generator? A: Enter your input. Adjust the options. Copy the result. ## Meeting Agenda Creator URL: https://addlinenumbers.com/meeting-agenda-creator/ Category: 📈 Business Tools Meeting Agenda Creator is a free online business tool for freelancers, small teams and operations staff. Turn meeting topics into a real timed agenda… Q: Is Meeting Agenda Creator free to use? A: Yes. Meeting Agenda Creator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Meeting Agenda Creator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Meeting Agenda Creator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Meeting Agenda Creator? A: Enter your input. Adjust the options. Copy the result. ## Merge PDFs URL: https://addlinenumbers.com/pdf-tool-online-free/ Category: 📈 Business Tools Merge PDFs is a free online business tool for freelancers, small teams and operations staff. Merge multiple PDF files into one — free, no upload, no… Q: Is Merge PDFs free to use? A: Yes. Merge PDFs is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Merge PDFs runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Merge PDFs work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Merge PDFs? A: Enter your input. Adjust the options. Copy the result. ## Phone Number Checker URL: https://addlinenumbers.com/phone-number-checker/ Category: 📈 Business Tools Phone Number Checker is a free online business tool for freelancers, small teams and operations staff. Check a phone number: detect the country from its… Q: Is Phone Number Checker free to use? A: Yes. Phone Number Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Phone Number Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Phone Number Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Phone Number Checker? A: Enter your input. Adjust the options. Copy the result. ## Productivity Tool URL: https://addlinenumbers.com/productivity-tool-online/ Category: 📈 Business Tools Pomodoro timer with a task list and focus statistics, running entirely in your browser. Free, no signup, and everything runs locally in your browser. Q: Is Productivity Tool free to use? A: Yes. Productivity Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Productivity Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Productivity Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Productivity Tool? A: Enter your input. Adjust the options. Copy the result. ## Profit Margin Calculator URL: https://addlinenumbers.com/profit-margin-calculator/ Category: 📈 Business Tools Calculate profit margin, markup percentage, and total profit. Visual comparison of revenue vs cost. Free, no signup, runs in your browser. Q: Is Profit Margin Calculator free to use? A: Yes. Profit Margin Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Profit Margin Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Profit Margin Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Profit Margin Calculator? A: Enter your input. Adjust the options. Copy the result. ## ROI Calculator URL: https://addlinenumbers.com/roi-calculator/ Category: 📈 Business Tools Return on Investment calculator with annualized ROI, net profit, and payback period. Free, no signup, and everything runs locally in your browser. Q: Is ROI Calculator free to use? A: Yes. ROI Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. ROI Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does ROI Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use ROI Calculator? A: Enter your input. Adjust the options. Copy the result. ## Barcode Generator URL: https://addlinenumbers.com/barcode-generator/ Category: 🛡️ Evergreen Tools Create Code128, EAN-13 and UPC-A barcodes from text or numbers and download them as PNG. Free, no signup, and everything runs locally in your browser. Q: Is Barcode Generator free to use? A: Yes. Barcode Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Barcode Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Barcode Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Barcode Generator? A: Enter your input. Adjust the options. Copy the result. ## CSS Gradient Generator URL: https://addlinenumbers.com/css-gradient-generator/ Category: 🛡️ Evergreen Tools Design linear and radial CSS gradients with a live preview and copy the finished CSS. Free, no signup, and everything runs locally in your browser. Q: Is CSS Gradient Generator free to use? A: Yes. CSS Gradient Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. CSS Gradient Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does CSS Gradient Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use CSS Gradient Generator? A: Enter your input. Adjust the options. Copy the result. ## Domain Name Generator URL: https://addlinenumbers.com/domain-name-generator/ Category: 🛡️ Evergreen Tools Generate name ideas from your keywords with prefix, suffix and compound patterns. Free, no signup, and everything runs locally in your browser. Q: Is Domain Name Generator free to use? A: Yes. Domain Name Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Domain Name Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Domain Name Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Domain Name Generator? A: Enter your input. Adjust the options. Copy the result. ## Fake Identity Generator URL: https://addlinenumbers.com/fake-identity-generator/ Category: 🛡️ Evergreen Tools Create test identities for mockups and QA: name, address, email, phone and date of birth. Free, no signup, and everything runs locally in your browser. Q: Is Fake Identity Generator free to use? A: Yes. Fake Identity Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Fake Identity Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Fake Identity Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Fake Identity Generator? A: Enter your input. Adjust the options. Copy the result. ## Free Online Calculator URL: https://addlinenumbers.com/free-online-calculator-tool/ Category: 🛡️ Evergreen Tools A calculator with history: arithmetic, percentages, square root and memory keys. Free, no signup, and everything runs locally in your browser. Q: Is Free Online Calculator free to use? A: Yes. Free Online Calculator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Free Online Calculator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Free Online Calculator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Free Online Calculator? A: Enter your input. Adjust the options. Copy the result. ## Random Generator Tool URL: https://addlinenumbers.com/generator-tool-online-free/ Category: 🛡️ Evergreen Tools Generate UUIDs, lorem ipsum text, random numbers, dice rolls and random colours. Free, no signup, and everything runs locally in your browser. Q: Is Random Generator Tool free to use? A: Yes. Random Generator Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Random Generator Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Random Generator Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Random Generator Tool? A: Enter your input. Adjust the options. Copy the result. ## Lorem Ipsum Generator URL: https://addlinenumbers.com/lorem-ipsum-generator/ Category: 🛡️ Evergreen Tools Generate placeholder text as paragraphs, sentences, or words. HTML tags and bullet lists supported. Free, no signup, runs in your browser. Q: Is Lorem Ipsum Generator free to use? A: Yes. Lorem Ipsum Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Lorem Ipsum Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Lorem Ipsum Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Lorem Ipsum Generator? A: Enter your input. Adjust the options. Copy the result. ## Email Template Generator URL: https://addlinenumbers.com/online-email-generator-tool-free/ Category: 🛡️ Evergreen Tools Editable email templates for enquiries, quotes, follow-ups, apologies and payment reminders. Free, no signup, and everything runs locally in your browser. Q: Is Email Template Generator free to use? A: Yes. Email Template Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Email Template Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Email Template Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Email Template Generator? A: Enter your input. Adjust the options. Copy the result. ## Password Generator URL: https://addlinenumbers.com/password-generator/ Category: 🛡️ Evergreen Tools Generate secure passwords with custom length, character sets, and strength meter. Free, no signup, and everything runs locally in your browser. Q: Is Password Generator free to use? A: Yes. Password Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Password Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Password Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Password Generator? A: Enter your input. Adjust the options. Copy the result. ## Password Generator Online URL: https://addlinenumbers.com/password-generator-online/ Category: 🛡️ Evergreen Tools Generate strong passwords or passphrases with a strength meter and entropy estimate. Free, no signup, and everything runs locally in your browser. Q: Is Password Generator Online free to use? A: Yes. Password Generator Online is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Password Generator Online runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Password Generator Online work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Password Generator Online? A: Enter your input. Adjust the options. Copy the result. ## QR Code Generator URL: https://addlinenumbers.com/qr-code-generator/ Category: 🛡️ Evergreen Tools Create QR codes for links, text, email, phone numbers and WiFi, with size and error-correction options. Free, no signup, runs in your browser. Q: Is QR Code Generator free to use? A: Yes. QR Code Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. QR Code Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does QR Code Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use QR Code Generator? A: Enter your input. Adjust the options. Copy the result. ## Random Number Generator URL: https://addlinenumbers.com/random-number-generator/ Category: 🛡️ Evergreen Tools Draw random numbers in any range — unique values, decimal places and sorting included. Free, no signup, and everything runs locally in your browser. Q: Is Random Number Generator free to use? A: Yes. Random Number Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Random Number Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Random Number Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Random Number Generator? A: Enter your input. Adjust the options. Copy the result. ## Username Generator URL: https://addlinenumbers.com/username-generator/ Category: 🛡️ Evergreen Tools Generate username ideas from a keyword, with styles for gaming, social and developer handles. Free, no signup, and everything runs locally in your browser. Q: Is Username Generator free to use? A: Yes. Username Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Username Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Username Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Username Generator? A: Enter your input. Adjust the options. Copy the result. ## CSS Minifier URL: https://addlinenumbers.com/css-minifier/ Category: 🛡️ Evergreen Tools CSS Minifier is a free online utility tool for anyone who needs a quick answer without an account. Compress a stylesheet in your browser: comments… Q: Is CSS Minifier free to use? A: Yes. CSS Minifier is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. CSS Minifier runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does CSS Minifier work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use CSS Minifier? A: Enter your input. Adjust the options. Copy the result. ## DNS Lookup Tool URL: https://addlinenumbers.com/dns-lookup-tool/ Category: 🛡️ Evergreen Tools DNS Lookup Tool is a free online utility tool for anyone who needs a quick answer without an account. Look up DNS records for any domain: A, AAAA, MX… Q: Is DNS Lookup Tool free to use? A: Yes. DNS Lookup Tool is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. DNS Lookup Tool runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does DNS Lookup Tool work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use DNS Lookup Tool? A: Enter your input. Adjust the options. Copy the result. ## Domain Availability Checker URL: https://addlinenumbers.com/domain-availability-checker/ Category: 🛡️ Evergreen Tools Domain Availability Checker is a free online utility tool for anyone who needs a quick answer without an account. Check whether a domain is registered… Q: Is Domain Availability Checker free to use? A: Yes. Domain Availability Checker is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Domain Availability Checker runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Domain Availability Checker work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Domain Availability Checker? A: Enter your input. Adjust the options. Copy the result. ## Gitignore Generator URL: https://addlinenumbers.com/gitignore-generator/ Category: 🛡️ Evergreen Tools Gitignore Generator is a free online utility tool for anyone who needs a quick answer without an account. Build a .gitignore for Node.js, Python, Java… Q: Is Gitignore Generator free to use? A: Yes. Gitignore Generator is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Gitignore Generator runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Gitignore Generator work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Gitignore Generator? A: Enter your input. Adjust the options. Copy the result. ## Mobile Friendly Test URL: https://addlinenumbers.com/mobile-friendly-test/ Category: 🛡️ Evergreen Tools Mobile Friendly Test is a free online utility tool for anyone who needs a quick answer without an account. Paste your page HTML and measure how it really… Q: Is Mobile Friendly Test free to use? A: Yes. Mobile Friendly Test is completely free and needs no account, no trial and no payment details. Every feature on the page is available without limits. Q: Is my data uploaded anywhere? A: No. Mobile Friendly Test runs entirely in your browser, so the text, file or number you enter never leaves your device. Q: Does Mobile Friendly Test work on a phone or tablet? A: Yes. It works in any modern browser on desktop, tablet and phone. There is no app to install and no account to create. Q: How do I use Mobile Friendly Test? A: Enter your input. Adjust the options. Copy the result.