JSON Formatter - Free, Instant, In Your Browser
Paste minified or messy JSON to get a clean, properly indented version.
How to use Format JSON
- 1Paste your text or data into the input box above.
- 2Format JSON runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is only processed temporarily for the conversion and is automatically deleted within 24 hours.
Frequently Asked Questions
Does this validate my JSON?
Yes - if the JSON is invalid, you will get a clear parse error instead of a formatted result.
Is my data sent to a server?
No, formatting happens entirely in your browser.