JSON Formatter
Beautify, validate and minify JSON. Free, no sign-up, files stay on your device.
🔒 100% private — processing happens in your browser. Nothing is uploaded.
JSON formatter and validator
- Paste JSON.
- Click Beautify to format it or Minify to compress it.
- Errors are shown with the line number.
A fast tool for developers working with APIs and config files. Everything runs locally — safe for tokens and private data.