Click on the language of your choice to see an example:
Many of our users have made plugins for various editors which are listed on the plugins page.
Jon Toffy made a plugin for the Krusader File Manager.
Tony Almeida made a PHP Library - PHP-JS-CSS-Minifier - to help minify both CSS and JS files in your PHP projects. Thanks Tony!
Lots of people are making little programs to use CSS Minifier - see the programs page.