Developer · runs in your browser
JSON Formatter & Validator
Pretty-print, minify, sort keys, and validate JSON — with live error location and one-click export.
- Supported formats
- JSON
- Max file size
- Max 10 MB
- Speed
- Instant
- Free
- Free, no sign-up
- Beautify, minify & validate
- Clear error messages
- Massive payloads supported
Mode
Valid JSON97 chars · 4 keys/values
Output
Minimal data. Only the text you submit is processed, never stored, and nothing is shared with third parties.
