JSON Formatter
Prettify, minify, and validate JSON data strings instantly.
How to use JSON Formatter
- 1Paste your JSON
Drop raw, minified or messy JSON into the input box.
- 2Choose an action
Use Format to pretty-print with indentation, or Minify to strip all whitespace.
- 3Fix any errors
If the JSON is invalid, the error message points at the offending position so you can correct it.
- 4Copy the result
Hit Copy to put the formatted JSON on your clipboard.
Common use cases
- Reading an API response that came back on one line
- Validating a config file before committing it
- Shrinking JSON before embedding it in a request body
JSON Formatter FAQ
Is JSON Formatter free to use?
Yes. JSON Formatter is completely free on Easutil, with no signup, no usage limits and no watermarks.
Is my data private when I use JSON Formatter?
Yes. JSON Formatter runs entirely in your browser using JavaScript — your input is never uploaded to a server or stored anywhere.
Do I need to install anything to use JSON Formatter?
No. It works in any modern browser on desktop and mobile — Chrome, Firefox, Safari and Edge.
Does JSON Formatter work offline?
Once the page has loaded, json formatter keeps working without a network connection because all the processing happens client-side.
Looking for something similar? Browse all developer tools on Easutil →