Developer Tools
JSON Formatter
Validate, format, and minify JSON in your browser. Clear error messages and instant output.
Indent
How to use
- Paste your JSON into the input area.
- Choose Format, Minify, or Validate.
- Pick an indent size for formatted output.
- Click Copy to copy the output.
About this tool
JSON Formatter parses and reformats JSON. Use Format to pretty-print with indentation, Minify to compact it for transport, or Validate to check syntax. Errors are shown with the exact parse message so you can fix them quickly.
Free to use. Works in your browser. No signup, no login.
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