Czkawka is a simple, fast, written in Rust and easy to use app to remove unnecessary files from your computer.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Flathub
- Snapcraft




There are many alternatives to FSlint for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux 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 FSlint and 17 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to FSlint are dupeGuru, rmlint, Rdfind and jdupes.
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.




A commandline tool to find unnecessary files (duplicates, tmpfiles, unstripped binaries and more)

Rdfind is a program that finds duplicate files. It is useful for compressing backup directories or just finding duplicate files. It compares files based on their content, NOT on their file names.
Extremely fast duplicate file finder for Windows, Mac & Linux.



Duplicate Detector is a GUI utility for finding duplicate files, allowing you to delete or link them to save space. Duplicate files are displayed and processed on two synchronized panels for efficient and convenient operation.

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

Detwinner is a tool for the Linux desktop which allows searching and removing duplicate files and similar images.




Duplicate Files Finder is an application which searches for duplicate files (files which have the same content, but not necessarily the same name) and lets the user remove duplicate files, either by deleting them or by creating links.



Samanlainen is a command line duplicate file remover which uses SHA-512 hashes to identify identical files. It's inspired by Rdfind
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.
because FSlint doesn't work anymore