In your browser
JSON formatter
Validate, format and compare JSON.
How to use it
Paste JSON and format or minify it. To compare documents, paste the second JSON on the right. Object key order is ignored; array element order matters. Use strings for integers outside JavaScript’s safe range.
Your data stays with you
This tool runs in your browser. Field contents are not sent to a server or stored after closing the page. Copying uses your device clipboard.