DupeZap at Mac App Store analyse

DupeZap finds and removes duplicates in the apps 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 doesnt index the scanned volumes, so you dont 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.