The result: you end up with a bloated and cluttered Photos library. That takes a lot of time and often people leave it till later, then forget all about the similars altogether. However, if you import a lot of pictures on a regular basis, it’s easy to lose track of things and end up with a lot of similar images you’ll need to sort through manually. The app also provides a very good visual experience, letting you spot low-quality shots of the same subject. For a start, it blocks duplicate imports, which is very helpful if you forget what you’ve uploaded and try to upload the same photos twice. Unlike your ordinary Mac folders, the Photos app does a pretty good job at helping you to keep your albums clean.
Duplicate Photo Cleaner will help you clean up your Mac Photos albums in no time How Your Albums Become Cluttered But because Photos is so much fun to use, it’s easy to clutter it with stuff you don’t really want to be there - duplicates and similar shots of the same subject. You can use it to organize your photos into albums, browse them in a stylish gallery, edit your images, and share them with family and friends.
Mac Photos app is an amazing photo management tool. Find Duplicates in Photos on Your Mac with Duplicate Photo Cleaner