Input JSON

Result

Show Line Numbers Indent:

Waiting for input...

Characters: 0 Lines: 0 Valid JSON

Features

✅ Real-time JSON syntax validation
✅ Beautify formatting (customizable indentation)
✅ JSON compression (remove whitespace)
✅ Error highlighting
✅ Large file support
✅ Completely free, no registration required

JSON Formatter - Essential Online Tool for Developers

Welcome to the free JSON formatting tool provided by json.tool-matrix.com. This tool is part of the Tool Matrix tool collection, designed specifically for developers, offering comprehensive and efficient JSON processing capabilities.

Main Features

JSON Formatting & Beautifying: Convert compressed JSON code into readable formatted version with customizable indentation (2 spaces, 4 spaces, Tab)
JSON Compression: Remove all whitespace from JSON to reduce file size, suitable for network transmission
JSON Syntax Validation: Real-time JSON syntax error checking with highlighted error locations and reasons
JSON Escape/Unescape: Handle special characters in JSON to ensure data correctness
Large File Support: Optimized for processing large JSON files without lag or crashes

Use Cases

This JSON tool is suitable for:

Web Development: Debugging JSON data returned by APIs
Mobile Development: Checking JSON format for app-server communication
Data Analysis: Organizing and analyzing JSON format datasets
Learning & Teaching: Understanding and learning JSON data structures
Daily Office Work: Processing configuration files, log files, and other JSON documents

Why Choose Our JSON Tool?

Completely Free: No registration required, no fees
Privacy & Security: All processing done locally in your browser, data not uploaded to servers
Real-time Processing: Instant processing as you type, no waiting for server response
Professional & Accurate: Based on standard JSON parsing libraries, results are accurate and reliable
User-Friendly Experience: Clean, intuitive interface, easy to use

How to Use?

Enter or paste JSON code in the left text box
Click the "Format" button to beautify JSON code
Click the "Minify" button to remove all whitespace
Click the "Validate" button to check JSON syntax
Use options on the right to adjust display settings

JSON Format Examples

Minified JSON:

{"name":"John","age":30,"city":"New York"}

Formatted JSON:

{
  "name": "John",
  "age": 30,
  "city": "New York"
}

Tool Matrix JSON Formatter is an essential online tool for developers, supporting real-time processing, multiple formats, error detection, completely free to use.