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.

Features

• Format & Beautify — Pretty-print JSON with proper indentation
• Validate — Instant error detection with line numbers
• Minify — Remove whitespace for compact JSON
• Sort Keys — Alphabetically sort all object keys
• Syntax Highlighting — Color-coded keys, strings, numbers, booleans
• Tree View — Explore JSON structure visually
• 100% Client-side — Your data never leaves your browser

More Developer Tools

Check out our free APIs: Screenshot API, QR Code API, SEO Checker, and more at pandan.is.