JavaScript Tool
Online JS beautifier, decompressor, and obfuscator.
Input JavaScript
Output Result
Description
JavaScript Beautifier and Minifier formats or compresses JavaScript code, improving readability for development or reducing size for production.
Use Cases
Development: Beautify minified JS for debugging
Production: Minify JS to reduce load time
Code review: Format code for readability
Learning: Understand code structure
Migration: Clean up JS from different sources
Instructions
Paste JavaScript code in the input area
Click "Beautify" to format or "Minify" to compress
View the formatted/minified output
Copy the result
Use in your project
Notes
- Beautified code preserves all functionality
- Minified code removes whitespace and comments
- Both operations are lossless
- Works with ES6+ syntax
FAQ
Will minifying break my code?
No, minification only removes whitespace and comments. All functionality is preserved.
How much can I save?
Typically 30-60% size reduction depending on code style and comment density.