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JSON Formatter

Format and beautify JSON with customizable indentation

Format JSON Data Instantly with Our Free JSON Formatter

Our JSON Formatter is a powerful online tool designed to help developers beautify, format, and validate JSON data with ease. Whether you're working with API responses, configuration files, or complex data structures, this tool makes JSON data readable and properly indented in seconds.

How It Works

Simply paste your minified or unformatted JSON into the input field, select your preferred indentation size (2, 4, or 8 spaces), and click "Format JSON". The tool instantly parses your JSON, validates its structure, and outputs beautifully formatted, easy-to-read JSON. All processing happens in your browser - your data stays private and secure.

Key Benefits & Use Cases

  • Debug API responses by making complex JSON structures readable
  • Validate JSON syntax and identify errors instantly
  • Format configuration files for better code maintainability
  • Customize indentation to match your coding standards
  • Copy formatted JSON with one click for use in your projects
  • 100% client-side processing ensures data privacy

Perfect for developers working with REST APIs, JSON configuration files, or data transformation tasks. This tool is essential for anyone who regularly handles JSON data and wants to improve readability without installing software.

Frequently Asked Questions

What is JSON formatting?

JSON formatting adds proper indentation, line breaks, and spacing to JSON data, making it human-readable while maintaining the same data structure.

Can I validate JSON with this tool?

Yes! The formatter automatically validates your JSON and displays error messages if the syntax is invalid.