Free tools · Text
JSON Formatter & Validator
Pretty-print, minify, and validate JSON in your browser. Free formatter for APIs and config files — nothing uploaded.
Open the tool
Loading json formatter…
How it works
- Paste JSON.
- Format or Minify.
- Fix any validation errors shown.
FAQ
- What errors are shown?
- Standard JSON.parse messages with the failure reason.
- Is JSON uploaded?
- No.
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