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JSON Formatter

Format, validate, and beautify JSON online. Pretty-print minified JSON or minify formatted JSON. Free JSON viewer and editor.

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About JSON Formatter

Our JSON formatter helps you instantly beautify minified JSON, validate JSON syntax, minify formatted JSON to save bandwidth, and view the structure with syntax highlighting. Perfect for debugging API responses, configuration files, and data structures.

How to Use JSON Formatter

  1. 1Paste your JSON into the input area
  2. 2Click "Format" to beautify or "Minify" to compress
  3. 3Any syntax errors will be highlighted in red
  4. 4Copy the formatted output with one click

Frequently Asked Questions

Can it detect JSON errors?
Yes, any invalid JSON syntax is highlighted with a clear error message.
What indentation does it use?
2 spaces by default. You can choose 2 or 4 spaces.
Can I minify JSON too?
Yes, click "Minify" to remove all whitespace for production use.

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