Czkawka is a simple, fast, written in Rust and easy to use app to remove unnecessary files from your computer.




There are many alternatives to DupDetector for Windows and since it's discontinued a lot of people are looking for a replacement. The best Windows alternative is Czkawka, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to DupDetector and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to DupDetector are dupeGuru, Duplicate Cleaner, AllDup and AntiDupl.
Czkawka is a simple, fast, written in Rust and easy to use app to remove unnecessary files from your computer.




dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching algorithm that can find duplicate filenames even when they are not exactly the same.




Duplicate Cleaner is a tool for finding and removing duplicate files from your computer or network drives; It is intended to be used on user content - documents, photos, images, music, but can be used to scan any type of files.




Find and remove duplicate files! Find and hardlink duplicate files! Find and shortcut duplicate files! Find similar files!.



AntiDupl.NET can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP and PNG. The comparison is based on the contents of the files, so the program can find not only almost identical, but similar images.




VisiPics does more than just look for identical files, it goes beyond checksums to look for similar pictures and does it all with a simple user interface. First, you select the root folder or folders to find and catalogue all of your pictures.

Find and delete duplicates with just one click, whether photos, music or videos.



CloneSpy is a Free Duplicate File CleanUp Tool for Windows. CloneSpy can help you free up hard drive space by detecting and removing duplicate files. Duplicate files have exactly the same contents regardless of their name, date, time and location.




Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.



Detects and removes duplicate files by scanning user-selected folders or drives with intelligent algorithms, previews results for safer deletion, filters by type or date, recovers deleted items, is lightweight, user-friendly, freeware, and supports Windows OS.




This powerful tool identifies and removes duplicate files on your PC or Mac using flexible algorithms. It compares files by content, e-mails, and music tags. Enjoy Live Preview, file recovery through an undo function, and integration with iTunes, iPhoto, and Windows Media.




i-DeClone discovers and removes duplicate and similar files from your PC and mobile phone. It will remove the clutter from your media, photo and document collections, and leave your PC storage tidy, with 3 easy steps:



It's not a duplicate image finder, but a duplicate file finder.