DeveloperToolsKitBETA

JSON Formatter

Format, minify or sort JSON text by keys.

Make JSON text readable with proper indentation (2 spaces).

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Professional JSON Formatter & Validator

Transform messy JSON data into beautifully formatted, readable code. Our advanced JSON formatter supports validation, minification, and syntax highlighting - perfect for developers, API testing, and data analysis.

Smart Formatting

Instantly beautify JSON with proper indentation, line breaks, and syntax highlighting. Choose from 2, 4, or 8-space indentation.

JSON Minification

Compress JSON by removing unnecessary whitespace and formatting. Reduce file size by up to 40% for faster data transmission.

Error Detection

Advanced JSON validation with detailed error messages. Quickly identify and fix syntax errors, missing brackets, and invalid structures.

Perfect for Developers

  • API Response Debugging

    Format messy API responses for easier inspection and debugging

  • Configuration Files

    Clean up and validate JSON configuration files for applications

  • Data Analysis

    Structure complex JSON data for better analysis and understanding

  • Documentation

    Prepare clean JSON examples for API documentation and tutorials

JSON Structure Guide

Loading JSON viewer...

JSON supports strings, numbers, booleans, arrays, objects, and null values. Objects use curly braces , arrays use square brackets [], and strings must be quoted.

💡 Pro Tips for JSON Formatting

• Always validate before formatting

Fix syntax errors first for best results

• Use minification for production

Reduce bandwidth and improve load times

• Copy formatted JSON easily

One-click copy for quick integration

• Works with large JSON files

Handle complex nested structures efficiently

💾Bookmark this tool for later use
• Press Ctrl+D (Cmd+D on Mac)