Style Kit is capable of parsing any public Style Sheet (via URL) and returning optimized CSS. Additional features include the ability to remove white space (minify), fix poor formatting (beautify) and more.
Whether you are a web developer looking to optimize your CSS or a designer interested in learning more about style sheets, Style Kit is a flexible tool that may be able to help.
Anyone is free use Style Kit but it is recommended that you check the output prior to implementation in a production environment. This is a beta product and comes with no guarantees.