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How to Find and Delete Similar Images on Mac (macOS Sierra Included)

What is the best method to find and delete duplicate or similar image files from Mac? I have a lot of similar image files on my Mac, in different sub-folders and with different file names. Is there some duplicate or similar image finder which can find similar images on hard drive? I am willing to buy one if the tool can do that for me. - From a Mac user who is looking for a duplicate image finder.

Many users want to find similar images based on the one they have and after they download the similar ones, simialr or duplicate images may appear on their Mac. Lots of similar images take up too much space on hard drive. Thanks to some creative developers, it is very easy to use best duplicate file finder that can locate similar images on your Mac and allow you to preview them before they are trashed. Here we will recommend you several similar image finder software to find and remove similar images on Mac. With these recommended similar image finder tool, you will get rid of the similar images automatically and free up your Mac space. This article falls into three parts:

How to Find Similar Images Based on The One You Have

And I guess many people who search the keyword "find similar images" may want to find more images similar to the selected image they have. So, in this part, I will recommend two ways for you to find similar images you like.

Method1. Use Google 

  1. Go to images.google.com and click "Search by image".
  2. Click Upload an image.
  3. Click Choose file.
  4. Select the image from your computer. After uploading, Google will show a list of similar images for you.

Method2. Use Yandex

  1. Go to Yandex website and click "Images".
  2. Press “Image Search".
  3. Click "Select a file" or directly drag the image to the window.
  4. After uploading, you will see many similar images.

After you find similar images online, you can download them. And this may cause many useless duplicate or similar images on your computer. But don't worry, follow below guide to remove duplicate or similar images.

Part one: Three similar image finder to find similar images

Cisdem Duplicate Finder

Do you have many duplicate or similar images on your Mac and you don’t know how to eliminate them in batches? With Cisdem Duplicate Finder for mac, you can find all the duplicate or similar images on your mac with great ease. Cisdem Duplicate Finder is not only a duplicate image finder but also it allows you to find duplicate photos, videos, songs, package etc. It scans your entire collection of images, analyzes their contents and locates files that look alike. It uses the most advanced scanning technology - MD5 value checksum algorithm to detect similar images just like human do. No duplicate images will be missed out with the accurate scanning algorithm.

Use Cisdem Duplicate Finder to find and delete 100% similar images on Mac

  1. Download and install Cisdem Duplicate Finder for Mac. Then launch it on your Mac.                                                                             
  2. Drop a folder or add all folders of your hard drive to the app and click the “Scan” button on the left. Then Cisdem Duplicate Finder will start to deep scan the whole folders of your hard drive. It will never leave out every similar image.
  3. After this app scans your hard drive, all the similar or duplicate images will be presented and you can preview them. Its built-in file preview and search mode makes selection easy. And you can delete similar or duplicate images manually.

Similar Image Detector

Similar Image Detector is a simple and efficient utility for finding duplicate or similar images on your external hard drives and local disks, in Apple Photos, iPhoto. And you could organize them with Trash, Move and Copy functions. This app supports 25 image formats including GIF, PNG,RAW, DNG, ORF, etc. It is a good duplicate and similar photos finder and remover especially for photographer, art designer and photo collector. Follow below guidance to remove similar images.

Buy and download Similar Image Detector on Mac App Store!

Use Similar Image Detector to detect and delete similar images on Mac

  1. Open Similar Image Detector on your Mac, there are 2 modes for you to find similar images, choose “Common” mode to add images. Or you can add single image or image folders by dragging and dropping to the mode. But if you want to see the details of similar images, you should choose “comparing” mode.
  2. Adjust the comparing settings to find what you want. You can choose comparing algorithm and reset minimum image pixels here. And these images will be grouped by similarity.
  3. Select the images you want to delete, then hit the “Trash” button to delete them. You can also move or copy them here.

Note: The “Common” mode does not provide important information about the image such as the dimensions or creation date. If you want to see the details, you have to turn to “Comparing” mode. This is very tedious.

PhotoSweeper

PhotoSweeper is an easy-to-use, fast and powerful duplicate photo cleaner for Mac. This app supplies six different options for you to compare your photos and find similar images, depending on how closely you want to look at them. You can compare by Bitmap, Histogram, Time Interval, Time and Bitmap (which is the default search setting), Time and Histogram, or Duplicates. Follow below guidance to find similar images.

Download PhotoSweeper for free trial!

Use PhotoSweeper to search and remove similar images on Mac

  1. Launch PhotoSweeper on your Mac, add images to the app or drag&drop a folder to the app to find images inside. You can also add images from iPhoto, Aperture, Lightroom.
  2. Select a compare method and compare photos. If you just want to find duplicate images only, select “Duplicates Only” method. To find similar photos, To find similar photos, the "Time+Bitmap" method is recommended.
  3. Review results and mark photos for removal by pressing the Auto Mark at the toolbar or manually by selecting each photo and pressing Enter for a photo you don't like. As result, photos are marked.
  4. Move marked photos to Trash. Click the "Show Marked" at the toolbar to get into Marked mode. Marked mode displays marked photos only. Select all photos andclick the "Move to Trash" button.

Note: Cisdem Duplicate Finder can only help you find and remove images with 100% similarity. But there is no other duplicate file finder like Cisdem Duplicate Finder can locate compressed files.

Part two: Comparison among three similar image finder

Comparison makes you know the best similar image finder. The three similar image finder have their own features and advantages, and they also have defects and disadvantages. You will get detailed information such as price, scanning algorithm, pros, cons and so on. Below is a screenshot of the detailed information of the three similar image finder.

Similar Image Finder Operating System Price Supported image format Scanning algorithm Pros Cons
Similar Image Detector Mac OS X 10.7 and newer $1.99 Support 25 image formats including GIF, PNG,RAW, DNG, ORF, etc Fingerprint, Histogram and more Support totally 25 image formats No detailed information of similar images in common mode
PhotoSweeper Mac OS X 10.9 or later $9.99 JPG,PNG,CR2 and more Bitmap, Histogram, Time Interval, Time and Bitmap, Time and Histogram, or Duplicates Six comparing modes for you to find similar images with different degree of similarity Not user friendly and some image formats are not supported
Cisdem Duplicate Finder Mac OS X 10.7 Lion and newer  $29.99 PNG,JPG, GIF, BMP and more MD5 value checksum algorithm Fast, super intuitive; locates duplicate images, videos, musics, compressed files, etc; ensure 100% accuracy Can only find images with 100% similarity

Conclusion

From the screenshot above, we can see that it is hard to decide which is the best one for you to choose. In my opinion, if you do have lots of images with different degree of similarity, Similar Image Detector and PhotoSweeper are recommended. If you get many similar images with 100% similarity, Cisdem Duplicate Finder is a good choice, because it not only help you find duplicate images, but it also can locate duplicate music files, videos, compress files, documents, etc.

2016-09-21 21:42:59 / Posted by to Duplicate File Finder Mac Follow @ Peter

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