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JSON Formatter

Format and beautify messy JSON code. Our tool properly indents JSON and makes it readable – with syntax highlighting and validation. Free and without registration.

Enter JSON
Paste your JSON here
Output
Results will appear here
How to use
  1. 1Paste your JSON code
  2. 2Click 'Format', 'Minify' or 'Validate'
  3. 3Copy or download the result
Features
  • 3-in-1 Tool

    Format, Minify and Validate in one tool.

  • Adjustable Indentation

    Choose 0-8 spaces for your preferred formatting.

  • Error Checking

    Clear error messages show exactly where JSON is invalid.

  • Download Function

    Save formatted JSON directly as .json file.

FAQ

What does 'Format' do?

Formats JSON with indentation and line breaks for better readability.

What does 'Minify' do?

Removes all whitespace and line breaks for minimal file size. Ideal for production.

How do I validate JSON?

Click 'Validate' - the tool checks if syntax is correct and shows errors.

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Note: All processing happens in your browser. Your files are not uploaded to any server.