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  1. PictureRelate compares pictures by similarity. Of course computers can't understand what's in a picture. Pattern recognition and image analysis has tried for many decades and has failed, so far. But there are some basic image properties that can be analyzed by a computer.

    Discontinued

    The alpha pre-release on the website is from 2012. No new releases since then.

  2. Araxis Find Duplicate Files helps you to find, view and manage files that have duplicate content, regardless of name. It can be especially useful if you have large Pictures, Downloads or Documents folders.


  3. This is not your fathers dupe checker. Not your brothers, not your sisters, and certainly not your mothers! dpeg! is the most sophisticated dupe snarfer there ever was and its better, stronger, faster than ever.
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  4. Using this program, you can compare images files, and print contact sheets. It works natively on Jpeg pictures and supports all Quicktime compatible picture formats.
  5. Duplicate Image Detector enables you to find duplciates in your image collection. Image comparison is done at the pixel level, so changing image formats will not stop duplicate images being detected.
  6. Duplicate File Cleaner is a quicker and easier way to accurately find & automatically remove duplicate files for you, such as Outlook Duplicates, Duplicate Mp3, Bookmark Duplicates, Excel Duplicates, Photo Duplicates, etc...

    Warning

    This application has a bad reputation on WOT (http://www.mywot.com/en/scorecard/duplicatefilecleaner.com) and on McAfee SiteAdvisor (http://www.siteadvisor.com/sites/http%3A//www.duplicatefilecleaner.com/)

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  7. Duplicate Photo Cleaner is a powerful tool that helps you find and remove duplicate photos from your PC or Mac. With this program you can easily organize your photo collection and remove duplicates or similar images.
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  8. This program can search for duplicate images even if they are saved in different formats, resolutions and color depths. Just specify a directory to be searched, and after a while you will see a grouped list of found duplicates.

    Discontinued

    The program is no longer updated. Last version, 1.5, released in 2009, can be still downloaded from the official website.

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  9. Free gigabytes of space on yours hard drives, external drives and USB. With intelligent algorithm find and delete duplicate files fast and easy! The new concept and experience of eliminating of duplicate files!
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  10. Why it's for you: - The speed of finding duplicates 2-4 times higher compared with the similar apps (for a large number of files). - Easy to use and operation speed - these are the basic principles in the app concept.
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  11. If your Mac has a lot of photos, chances are that many of these are just duplicates. Use this app to search and remove duplicate and similar looking photos from your Mac.
  12. Fast and smart similar image finder compares the image contents regardless of file types, resolutions, directions and color saturations.
  13. imagededup is a python package that simplifies the task of finding exact and near duplicates in an image collection.
  14. We take and manage more photos than ever before with our iPhones and iPads, which requires a new type of app to sift through the avalanche of images. BestPhotos helps you quickly choose your best photos, and delete the outtakes.
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  15. DupInOut Duplicate Finder helps you reclaim lost storage by deleting duplicate files. It also contains added features to organize files into your own folder structures, and compare two folders for same files, different files and additional files.