DupeZap finds and removes duplicates in the app's databases and synchronizes the deletions of the following apps: iTunes iPhoto Mail Aperture (marks the chosen photos, so that you can remove them within Aperture) DupeZap finds and removes duplicates in: Any Mounted hard drives and volumes Any folders Smart Folders DupeZap can search by: Content File Kind Time Modified Time Created Tag of MP3s and AACs EXIF Metadata and more DupeZap searches also for: Empty Files Empty Folders Unused Cache Unused Log Files Unused Preferences Files Songs not in iTunes Photos not in iPhoto Photos not in Aperture Email Attachments 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. One of the most interesting features of DupeZap is the capability to separate automatically, for quick and easy removal, found items via "Smart Baskets." 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.