Original Source: https://www.hongkiat.com/blog/detect-duplicated-photos-mac/
Following our guide on locating and eliminating duplicate photos on iPhone or iOS, this post will show you how you can easily spot and erase duplicate photos on your Mac. Forget about manually sifting through each photo on your Mac to find duplicates.
Duplicate Photo Finder is a Mac application designed to swiftly remove duplicate and similar photos from your Mac. It’s compatible with your photo library, as well as local and external storage devices, meaning it can scan any hard drive connected to your Mac.
Delete Duplicate Photos with Duplicate Photos Finder
The Duplicate Photos Finder app is available for free on the Mac Store. Once you’ve downloaded and installed it, open the app and click on the “Scan Folder” button. Select the folder you wish to scan for duplicate photos and click “Find Duplicates“.
This process is straightforward. If you’re scanning your entire computer for duplicates, be prepared to wait a little longer for the completion of the scan
You might also need to grant the app permission to access specific folders for a thorough scan.
Upon completion, if any duplicate photos are found, you will be presented with a preview of the duplicate photos, grouped together, with one of the duplicate photos marked with a Trash icon for deletion.
Conclusion – The App’s Not Perfect
Although this app claims in identifying duplicate photos, it is at best, in my opinion, good at finding similar photos. Below are some examples where the app succeeded and failed to identify true duplicates.
When using this app, it’s crucial to review the photos identified as duplicates to ensure accuracy before selecting “Trash Marked” to delete the photos, preventing the loss of non-duplicate images.
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