Format, beautify, minify, and validate JSON data with multiple formatting options. Perfect for cleaning up JSON, reducing file size, or making it more readable.

Key Features

Multiple Formats: Beautify, minify, or compact JSON
Custom Indentation: Choose between spaces (2, 4, 8) or tabs
Sort Keys: Alphabetically sort object keys for consistency
Remove Comments: Strip single-line and multi-line comments
Validation: Automatically validates JSON syntax
File Upload: Upload JSON files directly or paste data
Instant Preview: Real-time formatting as you type

How to Use

Input JSON Data: Paste your JSON data or upload a .json file
Choose Format: Select beautify, minify, or compact mode
Configure Options: Set indentation, sorting, and comment options
Copy or Download: Use the Copy or Download button to save your formatted JSON

Format Modes

Beautify: Pretty-print with proper indentation and line breaks
Minify: Remove all whitespace for smallest file size
Compact: Balance between readability and size

Example Conversion

Minified Input:

{"name":"John","age":28,"city":"New York"}

Beautified Output:

{
  "name": "John",
  "age": 28,
  "city": "New York"
}

Common Use Cases

Code Cleanup: Format messy JSON for better readability
File Size Reduction: Minify JSON for production use
Validation: Check JSON syntax and structure
Standardization: Ensure consistent formatting across files
Debugging: Make JSON easier to read and understand

Advanced Options

Sort Keys: Useful for comparing JSON files or version control
Remove Comments: Clean up JSON5 or commented JSON
Custom Indent: Match your project's coding standards

Privacy & Security

All conversions happen locally in your browser. Your JSON data is never uploaded to any server, ensuring complete privacy and security.