Free Online JSON Formatter

Format and beautify your JSON data quickly and easily with our free online tool. No registration required, and your data stays private.

How to Use Our JSON Formatter

  1. Input JSONPaste your JSON content or upload a file (max 2MB).
  2. Configure SettingsChoose your preferred indentation and display density.
  3. Format JSONClick 'Format JSON' to beautify your code.
  4. Save ResultCopy formatted JSON or download as a file.

Key Features of Our JSON Formatter

Free & Simple

No registration required. Format JSON instantly online.

Cross-Platform

Format JSON in any modern web browser on any device.

Customizable

Adjust indentation and display density to your preferences.

Secure

Your JSON data never leaves your browser. Complete privacy.

Popular Use Cases

Development

  • Format REST API responses
  • Debug API payloads
  • Clean up configuration files

Documentation

  • Format JSON examples
  • Prepare API documentation
  • Share readable data structures

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Helpful Resources & Guides