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 processed in your browser and is never uploaded.
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.