JSON Formatter & Validator
Format, validate and minify JSON directly in your browser.
Privacy: everything is processed locally. Your JSON is not uploaded.
Online JSON formatter
Quickly beautify / validate JSON or minify it for APIs — 100% client-side.
How it works
- Paste or drop your JSON.
- Click “Format JSON”.
- Copy the result.
FAQ
Is my JSON sent to a server?
No. Everything runs locally in your browser.
Can I minify JSON?
Yes. Use the “Minify” button to remove all whitespace.
Does it work offline?
Yes. Once loaded, the formatter works offline.
