JavaScript Beautifier

Format and beautify minified JavaScript code. Make your code readable and maintainable instantly.

JavaScript Input:

Formatted Output:

Settings:

Indent Size

Use Spaces

Add Semicolons

Why Beautify JavaScript?

Code beautification makes minified or poorly formatted JavaScript readable again. It's essential for debugging, understanding third-party code, and maintaining your projects. This tool instantly beautifies your code while respecting JavaScript syntax rules.

What This Tool Does:

✨ Code Formatting

Automatically indent code blocks, properly space operators, and organize statements for maximum readability.

🔍 Syntax Preservation

Maintains all JavaScript functionality while making it human-readable. No code changes, just formatting.

📦 Minification

Remove formatting and reduce file size. Perfect for production deployment and file size optimization.

⚙️ Customizable Settings

Control indent size, spacing preferences, and semicolon insertion to match your coding style.

🔗 One-Click Copy

Instantly copy formatted code to clipboard. Perfect for pasting into your editor or projects.

💻 Browser-Based

No installation needed, works entirely in your browser. Secure and fast processing.

Common Use Cases:

Debugging: Make minified code readable to find bugs and understand logic
Learning: Understand how other developers write code by beautifying examples
Reverse Engineering: Analyze third-party JavaScript files safely
Code Review: Review minified code in pull requests more easily
Optimization: Minify your own code for production to reduce bandwidth