JSON Formatter & Validator

Format, beautify and validate JSON instantly in your browser. Your data stays on your device.

Privacy First
This JSON formatter and validator processes your data directly in your browser. Your JSON is not uploaded to our server.

How to Use JSON Formatter & Validator

  1. Paste your JSON into the input box.
  2. Click Format JSON to beautify and format the JSON.
  3. Use Validate JSON to check whether the JSON syntax is valid.
  4. Click Copy JSON to copy the formatted result.
  5. Use Download JSON to save the formatted JSON as a file.

Frequently Asked Questions

What is a JSON formatter?

A JSON formatter takes JSON data and adds proper indentation and line breaks, making the structure easier to read.

Can this tool validate JSON?

Yes. The Validate JSON button checks the syntax and reports whether the provided data is valid JSON.

Is my JSON uploaded to a server?

No. JSON processing is performed directly in your browser, so the data is not uploaded to a server by this tool.

Can I download formatted JSON?

Yes. After formatting your JSON, click Download JSON to save it as a .json file.

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