JSON Formatter / Prettifier
Format, minify, and validate JSON safely in your browser. No upload, no tracking.
Features
Fast in-browser processing
No data leaves your device
Works on mobile and desktop
Simple and clean interface
Free with no limits
No signup required
FAQ
Is my JSON data uploaded?
No. All processing happens locally in your browser.
Is there a size limit?
The limit depends on your device and browser memory.
Does it work on mobile?
Yes. The tool is fully responsive and mobile-friendly.
Can I use it offline?
Once loaded, it works without an internet connection.