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JSON Formatter

Format, beautify, minify, and validate JSON with error highlighting.

About the JSON Formatter

Format, beautify, minify, and validate JSON with error highlighting. It runs entirely in your browser — nothing is uploaded to a server, so it is fast and private. Just use it and go.

How to use the JSON Formatter

  1. Enter or paste your input into the tool above.
  2. Adjust any options to fit what you need.
  3. Copy or download the result.

Frequently asked questions

Is the JSON Formatter free?

Yes. This tool is completely free to use, with no sign-up required.

Is my data safe?

Everything runs locally in your browser. Your input never leaves your device.

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