Question 1

Is JSON Formatter free to use?

Accepted Answer

Yes. JSON Formatter is completely free, with no trial limit and no paywall.

Question 2

Do I need an account or a signup?

Accepted Answer

No. Open the page and use the tool immediately — there is no registration.

Question 3

Do I have to install anything?

Accepted Answer

No. The tool runs in your browser on desktop and mobile; nothing needs to be installed.