By JSMin, you can remove unnecessary comments and whitespace quickly. It will descrese file size to half size, paving way to rapid downloads.
2) YUI Compressor
It’s a GUI application for compilation of SASS, LESS, Compass, and CoffeeScript. It can run on Linux, Windows, and Mac. It has a some main features like multi-lingual support, several complie options, real-time complilation, error notification etc.
It’s excellent tool for compiling Sass, LESS, Stylus, Compass, Jade etc. using automatic css prefixing. It’s a cross browser compatible and can run on Mac and windows. You can easily minify js files for reducing banthwidth and load time of your site.
6) Ajax Minifier
Minifier is a simple tool for JS/CSS comression without any set up. It reworks URLS from original to output location for CSS and resolves @import statements in CSS.
10) Ultra Minifier
It’s a simple YUI compressor GUI to minify jS and CSS code without using the terminal.