💻 Developer Tool

JSON Formatter & Validator

Format, beautify and validate JSON data instantly. Paste messy JSON and get clean, properly indented output. Perfect for developers debugging APIs.

100% FreeValidateBeautifyMinify
📋 JSON Formatter

✗ Invalid JSON

✓ Valid JSON

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data format used for APIs, configs and data storage. It's easy for humans to read and machines to parse.

Why Format JSON?

  • 🔍 Debug API responses faster
  • 📖 Read configuration files easily
  • 🔗 Share formatted data with your team
  • ⚡ Catch syntax errors before they cause bugs

Frequently Asked Questions

What's the difference between beautify and minify?▾
Beautify adds indentation and line breaks for readability. Minify removes all whitespace for smaller file size — useful for production.
Why is my JSON showing as invalid?▾
Common issues: trailing commas, missing quotes around keys, using single quotes instead of double, or unmatched brackets.