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JSON Formatter and Validator

Format, validate, and minify JSON locally in your browser.

This tool runs in your browser.

Your JSON is processed locally in this browser.

How to use

  1. 01Paste valid JSON into the input editor.
  2. 02Format it for readability or minify it for compact output.
  3. 03Review and copy the result without sending your data anywhere.

FAQ

Does this JSON formatter upload my data?

No. Formatting and validation run in your browser.

JSON Formatter and Validator: Can I use the result in production?

Treat generated, converted, or inspected output as a development aid. Validate security-sensitive values, commands, and configuration in the target environment before production use.

Does JSON Formatter and Validator upload my input?

TrueFree Tools processes the input in your browser and does not store it on our servers. Features that need browser permissions or access to a user-supplied address still follow the notice shown in the tool.