FilesStayLocal Duplicate Finder finds exact duplicate files on Mac, even when names differ. Review duplicate groups, show or hide folders, and see potential space savings. Safety features preserve at least one copy, flag sensitive Application and Library files as Review Only, and move selected files to Trash instead of permanently deleting them. Everything runs locally on your Mac. Apple Developer ID signed and notarized. Includes 7 days of free full access with a verified account.