JSON Formatter & Validator | Free Online Tool

JSON Formatter & Validator

Free online tool to format, validate, and beautify your JSON data

Input JSON

Formatted JSON

What is JSON and Why Use This Tool?

JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write, and easy for machines to parse and generate. Our JSON Formatter & Validator tool helps you:

How to Use This JSON Tool

Simply paste your JSON code into the input box and click "Format JSON" to beautify it with proper indentation. Click "Validate JSON" to check for syntax errors. Use the "Minify JSON" button to remove all unnecessary whitespace. Our tool works perfectly on all devices including smartphones, tablets, and desktop computers.

Common JSON Use Cases

JSON is widely used in web development for APIs, configuration files, and data storage. Popular applications include: