JSON Formatter

Paste your JSON to instantly beautify, minify, or validate it. Syntax errors are highlighted with descriptive messages.

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✅ Valid JSON!
✅ Copied!
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📖 How to Use

  1. Paste your JSON data into the Input box on the left.
  2. Click Beautify to format with indentation, or Minify to compress.
  3. Use Validate to check for syntax errors with a helpful message.
  4. Click Copy Output to copy the result.
💡JSON is case-sensitive — "Name" and "name" are different keys. Strings must use double quotes, not single quotes.

❓ FAQ

What's the difference between beautify and minify?
Beautify (also called "pretty print") adds consistent indentation and line breaks to make JSON human-readable. Minify removes all whitespace to reduce file size — useful for production APIs and data transfer.
Is my JSON data secure?
Yes. Everything runs in your browser. No JSON is ever sent to any server. This is especially important for sensitive API responses or config files.

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