Free utility
JSON Formatter & Validator
Paste JSON to instantly validate it and pretty-print it with proper indentation, or minify it to a single line. Validation and formatting happen locally in your browser, so your data never leaves your machine.
How to use
- Paste or type your JSON into the input box.
- Click Format to beautify, or Minify to compact it.
- Invalid JSON shows an error message with details.
- Copy the result when you're done.
Related software
The open-source platform to build internal tools
Build internal tools in minutes
Helping build a better Internet
Run your apps close to your users
The collaborative API client and design tool
Build advanced automated workflows, without limits