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Home / Development / Format JSON

Format JSON

Validates, sorts indentation, or minifies JSON with clear errors.

Processed on this device. The content is not uploaded to a server.

Format JSON

Learn with sample data. Your work in the tool is preserved while you view the example.

Example entry

{"a":1}

Up to 200,000 characters. The content is not saved.

How to use this tool

  1. Paste a JSON document.
  2. Choose readable or minified format.
  3. Copy or download the valid JSON.

What you should know

Up to 200,000 characters. Duplicate keys are resolved to the latest value. Numbers outside the JavaScript safe range may lose precision.

Is JSON content executed?

No. It is only parsed as data with JSON.parse. No code is executed and no HTML tags are interpreted.

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