Dupin is your iTunes duplicates manager. Dupin finds sets of duplicate tracks in iTunes based on the criteria you choose. It can then automatically select the "Keeper" tracks from among the duplicates using a variety of versatile filter options. Dupin is flexible, fast, and easy to use.
What's new in this version:
Fixes bug in v2.8.2/2.8.3 whereby removing tracks from a selected playlist (using the "Just Playlist" option) would errantly move files to Trash