JavaScript Minifier
Minify JavaScript to reduce file size. Remove comments, whitespace, and unnecessary characters. Basic JS compression for faster page loads.
JS Minification Rules
Comments
// single-line removed
/* multi-line */ removed
Keep http:// URLs
JSDoc comments gone
Whitespace
Newlines removed
Multiple spaces → one
Space around ops gone
Indentation removed
Operators
Space around = removed
Space around + - * gone
&& and || compressed
Parens/brackets tight
Limitations
Basic minification
No dead code removal
No variable renaming
Use Terser for full
Professional Tools
Terser: Full minifier
UglifyJS: Legacy tool
Webpack: Build minify
Babel: + minify plugin
Note: Basic Minification
This tool provides basic JavaScript minification. For production use, consider professional tools like Terser which also: dead code elimination, variable renaming, property mangling, scope optimization, and more aggressive compression.