With DupeZap you can search for duplicate files and packages; by content, file kind, time modified, time created and date/age. You can also search by the tag and bit installments of MP3 and AAC sound files and EXIF metadata, search the contents of the iPhoto, Aperture, iTunes databases and Mail mailboxes, and synchronize deletions with iPhoto, Mail and iTunes.
DupeZap allows you to search for empty folders, empty files and more.
DupeZap is fast, it doesn't index the scanned volumes, so you don't waste additional precious space. With its multitasking capability, you can do more searches at a time and take advantage of the latest Macintosh computers and operating systems.
DupeZap comes with a search mode which includes more than 90 pre-defined searches.
DupeZap has a security system that assures you will keep at least one file of the duplicate group on your disk, the ability to undo copied and moved items and the ability to restore trashed items as long as the trash is not emptied, even after a restart of the computer.
DupeZap offers a full-size preview of the most commonly used files such as: audio, media, text, pdf, graphics, fonts and more... and Quick Look like in the Finder.