A handy utility to find duplicate files on your Mac. In the age of large hard drives we usually keep everything. You, know. Just to be sure. Really sure.

With Tidy Up! you can search for duplicate files and packages; by the owner application, content, type, creator, extension, time modified, time created, name, label, visibility and delays. You can also search by the tag, duration and bit installments of MP3 and AAC sound files, search the contents of the iPhoto, Aperture, iTunes, iPod databases and Mail mailboxes, and synchronize deletions with iPhoto, Mail and iTunes.

9WR - Tidy Up!: Finds duplicate files, sorts by application, time modified, more.