JSON Formatter & Validator

Format, validate, and beautify JSON data instantly. Free online tool that works entirely in your browser - your data stays private.

Input JSON

Formatted Output 

// Your formatted JSON will appear here...
//
// Click "Format JSON" to beautify
// Click "Minify" to compress
// Click "Validate" to check for errors
0
Characters
0
Lines
0 B
Size
0
Max Depth

Powerful JSON Tools

Everything you need to work with JSON data

Format & Beautify

Instantly format messy JSON with proper indentation and line breaks. Makes JSON readable and easy to understand.

Validate JSON

Check if your JSON is valid with detailed error messages. Shows exact line and column where errors occur.

Minify JSON

Compress JSON by removing whitespace and line breaks. Perfect for reducing file size and network bandwidth.

About JSON Formatter

Our free JSON formatter and validator is the fastest way to format, beautify, and validate JSON data online. Whether you're working with API responses, configuration files, or database exports, this tool makes JSON readable and helps you catch errors instantly.

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data format used extensively in web development and APIs. It's human-readable, easy to parse, and has become the standard for data exchange between servers and clients.

Features

  • Format JSON: Beautify JSON with proper indentation (2 or 4 spaces)
  • Validate JSON: Check syntax and find errors with detailed messages
  • Minify JSON: Remove whitespace to reduce file size
  • Syntax Highlighting: Color-coded output for easy reading
  • File Upload: Load JSON files directly from your computer
  • Statistics: View character count, lines, size, and depth
  • 100% Private: All processing happens in your browser
  • No Limits: Format JSON of any size

Common Use Cases

  • Format API responses for debugging
  • Validate JSON configuration files
  • Pretty print JSON for documentation
  • Minify JSON to reduce file size
  • Check JSON syntax before deployment
  • Convert minified JSON to readable format
  • Debug JSON parsing errors

Why Use This Tool?

  • Fast: Instant formatting and validation
  • Secure: Your data never leaves your browser
  • Free: No signup, no limits, no hidden costs
  • Accurate: Detailed error messages with line numbers
  • Modern: Works on all devices and browsers

Need to fetch JSON from APIs? Try ScrapingBot - our powerful web scraping API that handles JavaScript rendering, proxies, and more.