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JSON Formatter

Format, validate, and minify JSON

Paste a JSON object or array to get clean, validated output instantly.

Valid JSONCharacters: 119Lines: 6Size: 0.12 KB
{
  "project": "DaviLabs",
  "tool": "JSON Formatter",
  "free": true,
  "features": [
    "validate",
    "format",
    "minify"
  ]
}

What this tool does

JSON Formatter helps you format, validate, and minify JSON so API responses, config files, and structured data are easier to read.

Privacy note

Your input is processed locally in your browser and is not uploaded to a server.

Common use cases

  • Format JSON responses from APIs.
  • Validate configuration files before using them.
  • Minify JSON for compact environments.
  • Quickly find syntax errors in structured data.

FAQ

Does this formatter validate JSON?

Yes. If the JSON is invalid, you will see an error message and formatted output will not be generated.

Can I minify JSON?

Yes. When the input is valid, you can turn it into a compact string with the Minify button.

Is my JSON sent to a server?

No. Formatting, validation, and minification happen locally in your browser.

What happens if the JSON is invalid?

The tool shows the parsing error so you can fix the input.