AppCompactor is a Free portable tool that allows you to compress applications to increase the applications performance when running from a slow media. AppCompactor enables users to compress an applications DLLs, EXEs and other binary files. you can decompress the binary files that were compressed using the tool as well. It has been noted that AppCompactor can reduce an applications size by as much as 50% without affecting core functionality.
AppCompactor - Portable Application Compressor
Authors Wesbite: http://portableapps.com/apps/utilities/portableapps.com_appcompactor
License: Open Source
Download: Get AppCompactor HERE