JavaScript Minifier PRO - Reduce File Size
Operating Instructions
Source
Paste your raw JavaScript into the left editor.
Optimize
Select options (Mangle, Remove Comments) and click Minify.
Deploy
Download the .min.js file or copy the optimized code.
Compression Log
function add(a, b) {
// returns sum
return a + b;
}
function add(n,d){return n+d}
System Capabilities
Speed: Reduces file size by up to 80% for faster page loads.
Bandwidth: Saves server costs by serving smaller files.
About JavaScript Minifier PRO
JavaScript Minifier PRO is an essential performance utility for web developers. Browsers don't need spaces, comments, or long variable names to run code—only humans do. This tool strips away all unnecessary characters from your source code using the industry-standard Terser Engine. The result is a lightweight, highly efficient script that executes faster and reduces bandwidth usage, all without breaking functionality.
Related Technical Articles
Why Minify?
Understanding the impact of file size on SEO and Core Web Vitals.
Source Maps
How to debug minified code in production environments.