JavaScript Minifier
Minify JavaScript code to reduce file size for production.
Runs entirely in your browserNo file uploadsPrivacy-first
TL;DR
Paste JavaScript code to get a minified version with size comparison.
304 bytes
148 bytes(-51%)
function greetUser(name){if (name){console.log("Hello,"+name+"!");return true}else {console.log("Hello,Guest!");return false}}greetUser("World");Original: 304 bytes→Minified: 148 bytesSaved 51%
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What is JavaScript Minifier?
A JavaScript minifier removes unnecessary characters from code without changing functionality.
When Should You Use This Tool?
Use when preparing JavaScript for production to improve page load times.
How to Use JavaScript Minifier
- 1Paste your JavaScript code
- 2View the minified output
- 3Copy or download
How Does This Tool Work?
Removes comments, extra whitespace, and optional semicolons while preserving functionality.
Privacy Note: Runs entirely in your browser. Your data never leaves your device. No file uploads to any server.
Common Use Cases
Frontend Developers
Optimize scripts for production
Performance Engineers
Reduce bundle size