To remove duplicate photos on your Mac, you can either use specific software or do it manually. This article covers how to delete duplicate photos on your Mac:
Stop this madness and take control by ridding your Mac of useless image duplicates. What’s worse, you can duplicate the same photos stored in your phone the next time you connect it to your Mac. Both your digital camera and phone are brimming with images that you later transfer to your Mac, where you edit them and create even more copies. If you’re like most people, you probably take 10 - 15 photos from just one angle.
