Convert any text between lowercase, UPPERCASE, Title Case, Sentence case, camelCase, snake_case, kebab-case and more — instantly, in your browser.
This case converter rewrites a piece of text into whichever capitalisation style you need. Paste your text into the box, pick a style, and the result appears in the second box immediately — lowercase and UPPERCASE for quick clean-ups, Title Case for headlines, Sentence case for prose, and the programming styles camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE for identifiers, file names and URLs. The word splitting is smart enough to handle mixed input: text such as "helloWorld_test-file" is recognised as separate words before it is rewritten, so you can normalise messy copy without editing it by hand. Alternating and inverse case are there for playful formatting or for checking text at a glance. Everything runs locally in your browser: nothing is uploaded, there is no signup, and the result can be copied or downloaded as a text file with one click.