Hidden Cleaner

Clean your USB sticks, media players and other types of external devices used with Mac OS X by removing hidden files created by the system while interacting with the drives. Elements such as .DS_Store are identified and deleted. Support for Mac OS X versions up to 10.6.3 is available.

Hidden Cleaner is a simple drag and drop utility that cleans and ejects USB devices like MP3 players, USB sticks... It deletes the hidden files OS X creates like .DS_Store, etc.Still in beta Version. So be carefull to backup your datas before a use.