JSON Formatter & Validator
Format, validate and minify JSON instantly. Everything runs in your browser — nothing is sent to any server.
Input
Output
How to use
- Paste your JSON into the Input box
- Click Format to prettify, or Minify to compress
- Click Copy to copy the result
Common use cases
- Debug API responses
- Validate JSON config files
- Minify JSON before deploying
- Read compressed JSON logs