JavaScript Minifier Online - Compress JS Code

What This Tool Does

• Removes whitespace, comments, and line breaks
• Shortens variable and function names where safe
• Optimizes code structure for minimal file size
• Preserves JavaScript functionality and logic
• Displays compression ratio and size savings

How to Use

1. 1

   Paste JavaScript code

   Enter your formatted JS code in the input

2. 2

   Select optimization level

   Choose basic or advanced minification

3. 3

   Click Minify

   Compress the JavaScript code

4. 4

   Copy minified code

   Use the optimized JS in your production app

How it works

Use Cases

• Optimizing production JavaScript files for faster page loads
• Reducing script file sizes for better mobile performance
• Preparing JavaScript libraries for distribution
• Minimizing inline scripts in HTML pages
• Optimizing JavaScript for deployment to CDNs

Frequently Asked Questions