Dupin is an organization tool that helps you find and remove duplicate files in iTunes. Want to get rid of all those annoying duplicate files you have in iTunes? Dupin’s goal is to help you with an easy-to-use iTunes-style interface. This allows you to easily browse your songs and playlists. You can search and filter songs by multiple criteria, such as artist, album, or size, or by categories, such as podcasts, audiobooks, and movies. Dupin finds files in Finder and iTunes and even finds duplicates in other users’ libraries.

In terms of performance, Dupin can be a little slow at times, and iTunes’ native speed slows down when both programs are open at the same time. When searching for duplicates in smart playlists, Dupin is also not as effective as in regular libraries. Some users may also find it annoying to have to check each track to make sure all duplicates have been removed. This is especially difficult when the checkboxes for deleting tracks are so small. There really should be an easier way to bulk select files to delete.

Dupin is a handy tool for quickly finding duplicates in your iTunes libraries.