How to use the JSON Formatter & Validator

  1. 1Paste your JSON.
  2. 2Click Format, Minify or Validate.
  3. 3Choose indentation and key sorting.
  4. 4Copy the result.

About this tool

A fast JSON beautifier

Readable JSON is easier to debug. Format API responses, config files and logs, or minify them again before shipping.

Frequently asked questions

No. It is parsed in your browser, so private data stays on your device.

Click Validate. The tool shows the error message and the position where parsing failed.

It removes all whitespace to make the JSON as small as possible for transfer or storage.

Yes, within your browser's memory. Several megabytes format instantly on most devices.

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