Developer
JSON Formatter
Format, validate, and minify JSON.
Waiting for JSON input.
How to use this tool
Format, validate, and minify JSON instantly in your browser. Free JSON formatter.
- Paste JSON into the input box.
- Choose Format JSON or Minify.
- Check the valid or invalid status and copy the output.
Example
Paste a compact API response and format it to read the structure more easily.
FAQ
Does it validate JSON?
Yes. Invalid JSON returns an error message instead of formatted output.
Does JSON leave my browser?
No. Formatting and minifying run locally.