JSON Formatter & Validator

Free Online JSON Formatter

This free JSON formatter and validator tool helps you format, beautify, and validate JSON data instantly. Perfect for developers, API testing, debugging, and data analysis.

Features

• Format and beautify JSON with customizable indentation
• Validate JSON syntax with detailed error messages
• Minify JSON for production use
• Syntax highlighting for easy reading
• Copy formatted output with one click
• No signup required, works offline

What is JSON?

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