A commandline tool to find unnecessary files (duplicates, tmpfiles, unstripped binaries and more)
Cost / License
- Free
- Open Source
Application type
Platforms
- Linux
Germany
EU

DupKiller has been discontinued. Similar apps include Czkawka, which is free and open source. Other options are dupeGuru, dskDitto, Duplicate Cleaner and AllDup. There's no shortage of Duplicate File Finders like DupKiller, with more than 50 alternatives for Windows, Mac, Linux, Android and iPad.
A commandline tool to find unnecessary files (duplicates, tmpfiles, unstripped binaries and more)

Find and remove duplicates of the same file easily before they cause system instability


Fast Duplicate File Finder will help you find fast all duplicate files in a folder and its sub folders. The applications will compare the content of your files so it will find duplicates even if they are using different file names.


Quickly finds duplicate files relied on their content, focus on finding and cleaning the duplicate files on Windows.


FDUPES is a program for identifying or deleting duplicate files residing within specified directories.

Duplicate file finder/remover supporting the following hash algorithms: MDA, SHA1, SHA256, SHA256Cng, SHA384, SHA512 and BLAKE2B.



Remove duplicate files and do it fast. duplikaatti is designed to go through 50 TiB+ of data and hundreds of thousands of files and find duplicate files in few minutes.
Aperito is a somewhat scriptable duplicate file manager. It can simply used to cleanup a directory of duplicate files but it also allows you to perform much more complex deduplication. For example, if you want to delete all files under Dir3 that also exist under Dir1 or Dir2 but...

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.




Finddupe is a tool for quick detecting of duplicate files on a hard drive under Windows. Duplicate files can be detected, hardlinked, or deleted. Finddupe can also search for hardlinked files on your computer.

FolderMatch is a program that compares directories and files, showing the differences clearly.




Photo Duplicate Cleaner App is easy to use app that can easily scan your all phone storage for duplicate and similar photos, videos, audios, documents and contacts. After finding all the duplicate files, you can easily Delete Duplicate photos, videos, documents and audio files...


