JSON Formatter
Beautify, validate, and minify JSON.
Free · No sign-up · Works in your browser
Formatted JSON
Your result will appear here.About the JSON Formatter
Free JSON formatter — beautify, validate, and minify JSON instantly. Invalid JSON is flagged with the exact error.
How to use the JSON Formatter
- 1Paste your JSON.
- 2Choose Beautify or Minify.
- 3Fix any flagged errors, then copy the result.
Frequently asked questions
Does it validate my JSON?
Yes — if the input isn't valid JSON, the tool shows the parser error so you can fix it.
Is my data sent anywhere?
No. Formatting happens entirely in your browser.