If you’re anything like us, you probably have more duplicate photos laying around your Mac than you know how to deal with, especially considering the multiple tools Apple has created over the years for managing photos. We’ve been through iPhoto, and then Aperture, and now the macOS Photos app, and since digital memories are often precious, it’s not uncommon to be a little reluctant to trash a folder of photos unless you’re absolutely certain that you’ve got a copy somewhere else. So unless you’re hardcore about spending time keeping your file system and photo libraries in pristine order, chances are you’ve got duplicate folders of photos sitting around in dusty corners of your filesystem. Enter PhotoSweeper 3.0 ($10), OverMacs’ latest update to our favorite app for dealing with duplicate photos across all of your libraries and filesystems. Version 3.0 adds a great new “side-by-side” view that lets you much more easily compare p