Beautify, minify, validate, sort keys, and browse JSON in a live tree — instantly, right in your browser.
Everything you need to work with JSON, in one place.
It takes raw or minified JSON and re-indents it into a readable, properly nested structure so it's easier to review and debug.
No. Formatting happens entirely in your browser session. Nothing you paste is sent to or stored on our servers.
Yes. If the JSON is invalid, the tool flags the syntax error so you can locate and fix the problem quickly.
Yes, the tool supports both — beautify for readability, or minify to strip whitespace for smaller payloads.
Since everything runs in your browser, very large files depend on your device's memory rather than a fixed server-side limit.
All tools are free. If they've saved you time, consider supporting us.