📄 JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting

Input JSON

Formatted Output

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About JSON Formatter

JSON Formatter is a powerful online tool that helps you format, validate, and beautify JSON data. Whether you're debugging API responses or cleaning up configuration files, this tool makes JSON readable and easy to understand.

Features

  • Validate JSON syntax and show detailed error messages
  • Format JSON with customizable indentation (2, 4, or 8 spaces)
  • Minify JSON to reduce file size
  • Copy formatted output with one click
  • Works completely offline - your data never leaves your browser

How to Use

  1. 1.Paste or type your JSON data in the input box
  2. 2.Choose your preferred indentation size
  3. 3.Click "Format JSON" to beautify or "Minify" to compress
  4. 4.Copy the formatted output or continue editing