JavaScript Minifier PRO - Reduce File Size

v1.0. Stable

JS Minifier
COMPRESSION ENGINE
Source Code
SAVED: 0%
Minified Output

Operating Instructions

1
Source

Paste your raw JavaScript into the left editor.

2
Optimize

Select options (Mangle, Remove Comments) and click Minify.

3
Deploy

Download the .min.js file or copy the optimized code.

Compression Log

Original (100%):

function add(a, b) {
  // returns sum
  return a + b;
}

Minified (40%):

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.