Even after all these years, dupeGuru remains the best duplicate file finder and not just on Windows but also on macOS and Linux. Verdict: This is undoubtedly the best duplicate photo finder in its category. dupeGuru: Fifth on our list of best duplicate photo cleaner for Windows and Mac is dupeGuru. Gemini 2 from MacPaw is one such application that makes the process of finding and erasing duplicate photos from Mac fast and effortless. If you are looking for the best free duplicate photo finder for Mac, this app can be a great choice. “A customizable duplicate photo remover for Mac”. This great duplicate photo finder for Mac uses MD5 value checksum algorithm and does byte-by-byte comparison. This app is designed in a way that you need to select the undesired photo duplicates in order to delete them. Duplicate Sweeper is another great addition to the list of best duplicate photo finders for Mac in 2021. Thanks a ton for sharing the list of best duplicate photo finder software for Mac OS. However, finding and dealing with such duplicate files on your Mac isn’t easy. Gives you an option to move duplicate files to trash, custom folder or delete permanently. Below are some of its prominent offerings that make it one of the best Mac duplicate photos finders available in the marketplace currently. “A renowned and best free duplicate photo finder for Mac from Cisdem”.