PhotoSweeper is a fast, precise & super efficient tool to eliminate similar or duplicate photos even in huge photo collections. It works with Photos, iPhoto, Aperture, Capture One and Lightroom media libraries as well as photos from your hard drives and external storages.

Features:

Easy search of photos
Just drag and drop folders from your Mac to allow PhotoSweeper to find all photos inside. Add more photos from your Photos, iPhoto, Aperture, Capture One or Lightroom library via the Media Browser window.

Flexible comparison settings
Powerful multi-settings to easily find duplicates, similar photos, series of shots. The app finds duplicate photos, even those edited in external programs such Photoshop, regardless of image size or format.

“Side to Side” comparison
Find duplicates between two groups of photos while ignoring those inside each group. It allow you to compare the contents of two folders with each other or find similar photos to a single image.

High speed and quality
PhotoSweeper was developed as a tool for extremely fast comparison of a huge number of photos. Cutting-edge technologies and unique algorithms make searching duplicates incredibly fast and gives excellent comparison results.

Efficiency
You can regroup the results without re-comparing photos by changing matching level with a slider. Using caches makes the next comparison much faster.

Marking duplicates automatically
Mark photos you want to get rid of manually, or use the "Auto Mark" feature to mark duplicates automatically based on the list of rules you can adjust to your needs in the Preferences.

Comfortable viewing results
PhotoSweeper provides 3 modes for reviewing results: “One by One”, ”Face-to-Face" - one or two large photos with an opportunity to mark a photo with just a click, “All in One“ - all groups of duplicates in one list.

Great photo browsing
PhotoSweeper also serves as an up-to-date photo browser with a built-in search of photos by metadata, Quick Look preview, the "Info" panel with a detailed photo description, including histogram and image metadata (EXIF, IPTC etc.).

Limitations:
The demo application allows you to remove 10 photos only.

Requirements:
macOS 10.12.2+
Universal Binary