Javascript Obfuscator

Wiki Entry on Obfuscating Code

http://en.wikipedia.org/wiki/Obfuscated_code

Downloadable Need to check licensing costs

1. http://www.jasob.com/Downloads.html
2. http://www.stunnix.com/prod/jo/
   
3. http://www.dmoz.org/Computers/Programming/Languages/Java/Development_Tools/Obfuscators/
   

Online Compressor (does not work in Google Chrome)

http://javascriptcompressor.com/

The compressor does not actually obfuscate code!!