To delete duplicate photos in iPhoto, the best way is to use software like Cisdem Duplicate Finder for Mac. Cisdem Duplicate Finder is a versatile, easy-to-use app to find and delete duplicate photos, videos, audios, documents, packages and more. Other than deleting duplicate files, you can also free up space by remove the “Other” data and also delete apps, documents, files, and backups that you no longer use. Make sure to check your Mac’s storage space regularly to see if you have ample space for new software, and also to perform best, as macOS likes to have.

Before explaining how to delete Duplicate photos on Mac, let’s know :

How do Duplicate photos occur?

Within the Photos app, open the Selected Duplicate Photos album and select all the pictures you want to remove. Right-click on any of the selected images and select Delete Photos from the menu that appears. Click Delete to confirm the action. 10) Go back to the Photos Duplicate Cleaner app and you’ll see all the photos it thinks are duplicates. Go through these duplicates manually and put a check mark in the boxes of the photos you want to delete the duplicates of. Unselected photos will have a green border, and selected photos will have a red border. To delete duplicate photos from your Mac, using Duplicate File Finder, complete the following steps: Launch Duplicate File Finder. Click on the Choose Folder button → select Photos Library from the menu that appears → click on the Scan button to search for duplicate pictures.

There can be Duplicate photos on your Mac due to various reasons. It may happen that you have many photos on your Mac, so you upload a photo twice because of being unable to see it beforehand. There may be other reasons too, like involvement of third-party duplicate cleaner mac apps or bug.

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How to find and delete Duplicate photos from your Apple photo library?

If your library has a few photos, then you can find duplicates manually. But if the number of photos is very large, and as going through the library to check for duplicate photos isn’t a good idea, you can use a third-party app named Photos Duplicate Cleaner (available on Mac app store)for this purpose.

Step 1 : installPhotos Duplicate Cleaner from the Mac App Store and then launch the app through the Applications folder.

Step 2 : When the app opens, click on the “Add Photos Library” option.

Step 3 : In the Finder browser that appears, double-click on your Photos Library to open it.

Step 4 : After processing your Photo Library, you should see its path appeared in the app’s path list. If it’s correct, click on the blue “Scan for Duplicates” option at the bottom of the app.

Step 5 : If your Photos app is still open, you’ll get a warning (as shown in the image below) . Click on the “Quit & Retry” option to close Photos and continue.

Step 6 : Open the Photos app , go to the Menu Bar and click View > Show Sidebar to enable the sidebar in the Photos app if it’s not already enabled.

Step 7 : Now with the sidebar enabled in the Photos app, click on the “All Photos” option in the sidebar (on the left).

Delete Duplicates In Photos App Mac Os

Step 8 : Go back to the Photos Duplicate Cleaner app and you will see all duplicates. Go through these duplicates manually and select all the duplicate photos you want to delete. Un-selected photos will have a green border, and selected photos will have a red border.

Step 9 : After being sure of your choice, click on the blue “Trash Marked” button at the bottom of the app and it will transfer the duplicate photos into another folder named “Duplicate Marked Photos” in the Photos app.

Delete Duplicate Files Mac

When finished, the app will tell you it has completed its task.

Step 10 : Open the Photos app and you will notice the new “Duplicate Marked Photos” folder in the sidebar. Anything that appears in this folder is what Photos Duplicate Cleaner said it has deleted.

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Step 11 : Select all the photos in this folder, right click on one of them, and click on “Delete X Photos” ( X = number of photos in the folder) from the menu list.

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Kudos! All the duplicate photos have now been deleted from your Mac without much efforts.

Do you have too many photos on your computer and want to sort through them the easy way? Then the first thing to do is to delete duplicate photos from Windows 10. Also, don’t forget to manage the similar shots while you’re at it.

Why Should I Remove Duplicate Photos?

Everybody loves taking photos: selfies, party snapshots, landscapes, vacation pictures and more. After all, it’s so easy to take out your phone and snap several pictures on the go. Unfortunately, sorting through the photos after you upload them to your PC isn’t nearly this easy because:

  • Too many unsorted photos accumulate in your Pictures folder
  • Sometimes you upload the same photos twice and create duplicates
  • There are too many similar shots of the same subject

Going through your unsorted pictures and organizing them into neat albums doesn’t sound too hard, but duplicate and similar photos make the job time-consuming and tedious. Your eyes get tired of seeing the same photos and it becomes easy to delete a really good shot by mistake. This is why it’s best to delete duplicate photos from your Windows 10 computer using a duplicate photo finder app.

How to Remove Duplicate Images from Windows 10

The easiest way to get rid of duplicate and similar photos is to use a special app that can detect both identical and similar shots. An app like that will quickly identify duplicate images and help you to delete all duplicates in one go. Here is how you can do that with Duplicate Photo Cleaner:

  1. Open Duplicate Photo Cleaner, select the “Standard Scan” mode and add the folders you want to check for duplicates to the “Include” area. You can either drag & drop them or click inside the “Include” box and use the Windows Explorer standard window.
  2. Set the similarity threshold to 100% so that DPC only catches images that are 100% identical (i.e. unedited copies of your photos).
  3. Click on the “Start Scan” button and wait for the scan to run its course.
  4. When the app finishes scanning your PC, you can either review and manage the results straight away or click on the “Save Scan” link to save the scan for later use.
  5. By default, Duplicate Photo Cleaner presents the scan results using the Multiviewer where you can easily compare all photos at a glance. Hover over an image to read additional details like file size, the path to the file, and more. Because you’ve set the similarity threshold to 100% you can be sure that all the detected matches are true duplicates.
  6. Use the bulk selection menu at the bottom of the window to select all duplicates in one go.
  7. Click on the trash can icon to delete all duplicate images in bulk. If you want to keep the copies as backups, select the “Move” option and move them to an external hard drive or a USB thumb drive.

Now that you’ve removed unneeded copies of your photos, you can do some more advanced file management and delete low-quality similar shots. To do that, repeat the steps mentioned above but set the similarity threshold to 70% instead of 100%. That way Duplicate Photo Cleaner will detect edited, cropped, resized and touched up photos even if they are in different formats (i.e. the original is in RAW and the edited and resized version is in JPG). Doing this will help you to quickly organize your albums, free up quite a bit of disk space, and sort through all the similar shots in a hassle-free way.

What You Can Do to Avoid Uploading Duplicate Photos in the First Place

The best way to keep your photo albums in good shape is to avoid uploading duplicate pictures in the first place. A good trick to make sure you don’t upload the same photos twice is to use dedicated folders straight away when you’re uploading images from your camera to your PC. Organizing your photos by folders helps you to have fewer images per folder. If you try to upload content to the same folder twice, your computer will ask you if you want to replace existing images and you’ll immediately know that you’re uploading something that you already have.

Another good way to avoid duplicate content in your albums is to use an app like Google Photos, which can detect duplicate uploads. However, even Google Photos isn’t immune to similar photos so eventually you’ll need to manage your albums there too (here’s an article that shows you how to automate that process).

Deleting duplicate photos from Windows 10 isn’t at all hard when you have the right tools. Duplicate Photo Cleaner will help you manage your albums quickly and easily.

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