FAQ

Is my JSON sent to a server?

No. The JSON Formatter runs entirely in your browser — nothing is uploaded or logged.

What's the maximum size?

Very large payloads (multi-MB) work but may be slow. For huge files consider a native tool.

Related tools

• JSON Validator

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• JSON Minifier

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• JSON Diff

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• JSON → TypeScript

  Generate TypeScript interfaces from a JSON sample.