JSON Formatter & Validator

Format, beautify, minify, and validate JSON data with syntax highlighting

Input JSON

0 characters

Output

⏳ Ready
0 characters

Features

  • ✨ Format and beautify JSON with proper indentation
  • ✓ Validate JSON syntax with detailed error messages
  • 🎨 Syntax highlighting for better readability
  • 📦 Minify JSON to reduce file size
  • 📋 Copy formatted JSON to clipboard
  • 💾 Download as .json file
  • 📁 Upload JSON files (up to 10MB)
  • 🔢 Line numbers for easy navigation
  • ⚡ Fast processing for large files
  • 🌙 Dark mode support

How to Use

  1. Paste or Upload JSON - Enter your JSON data in the input area or upload a .json file
  2. Format - Click "Format" to beautify your JSON with proper indentation
  3. Validate - Click "Validate" to check for syntax errors
  4. Minify - Click "Minify" to compress JSON by removing whitespace
  5. Copy or Download - Use "Copy" to copy to clipboard or "Download" to save as file

About JSON

JSON (JavaScript Object Notation) is a lightweight data-interchange format that's easy for humans to read and write, and easy for machines to parse and generate. It's widely used for APIs, configuration files, and data storage.

Common Use Cases

  • API response formatting and debugging
  • Configuration file validation
  • Data transformation and migration
  • Log file analysis
  • Database export/import preparation
✓ Success!