w3compiler - the optimization tool

Optimize your source code for faster and safer Web site delivery with w3compiler from Port80 Software. Developers can optimize JavaScript, HTML, CSS, ASP and CFM files as a final pre-deployment step that will save bandwidth, speed up pages and secure source code. Free trial download at http://www.w3compiler.com.

Perhaps the best tool you can get for such optimization jobs, especially the javascript optimization produces code that works better than every other tool we tested so far.