JSON Formatter
Format, validate and minify JSON — entirely in your browser.
Runs in your browser — nothing is uploaded
How to use
- Paste or type your JSON into the input box.
- Pick an indent width, or choose Minify.
- Copy the formatted result.
FAQ
Is my JSON uploaded to a server?
No. The JSON Formatter runs entirely in your browser — your data never leaves your device.
Can it minify JSON as well as beautify it?
Yes. Switch to Minify to strip all insignificant whitespace and produce the smallest valid JSON.