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JSON Formatter and Validator

Format, validate and minify JSON in your browser. Invalid JSON shows the exact error so you can fix it fast.

Your result will appear here.

How to use

  1. Paste your JSON in the input box.
  2. Click Format to pretty-print it, or Minify to compact it.
  3. Click Validate to check it without changing it.

Frequently asked questions

Is my JSON sent to a server?

No. Everything runs in your browser.

What if my JSON is invalid?

The validator shows the error message so you can locate the problem.

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