Before I go any further, let me get you to the github page where you'll find plenty of documentation and more importantly the download:
This plugin mostly uses other open source tools, such as:
- JS-Beautifier to format and "Unminify"
- JSMin to minify
- JSLint to look for syntax issues
- CSSTidy to beautify and minify css
- CSSLint to look for syntax issues
And to run these excellent tools there are two prerequisites (you probably already have one):
As I mentioned there is documentation on the Github page, so for usage and further configuration check there. Hope you enjoy!