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




The best System Cleaner alternative to dupeGuru is Czkawka, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to dupeGuru and many of them are System Cleaners so hopefully you can find a suitable replacement. Other interesting System Cleaner alternatives to dupeGuru are FSlint, AVG PC TuneUp, i-DeClone and Ashampoo WinOptimizer.
Czkawka is a simple, fast, written in Rust and easy to use app to remove unnecessary files from your computer.




FSlint is a utility to find and clean various forms of lint on a filesystem. I.E. unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. It has both GUI and command line modes.

Enhance PC performance by boosting speed and freeing up disk space. Features include Turbo Mode, Program Deactivator, and battery savers like Economy Mode—plus tools to manage startups and clean registries effectively.




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:



Suite offering 30 plus tools for cleaning, privacy management, detailed system analysis, browser profile cleaning, tailored optimization, software uninstallation, duplicate removal, disk defragmentation, scheduled maintenance and deep customizable tuning.




Duplicate & Same Files Searcher is an application for searching duplicate files (clones) and NTFS hard links to the same file. It searches duplicate file contents regardless of file name (true byte-to-byte comparison is used).

Simplify your disk cleanup with OverClean: easily identify and remove unnecessary files to free up space.

Duplicate Detective scans your Mac for duplicate files and folders. It then displays a list of matching duplicates, allowing you to easily select those that you wish to delete in order to free up precious disk space. Awarded a MacWorld 'Mac Gem'.



Free gigabytes of space on yours hard drives, external drives and USB. With intelligent algorithm find and delete duplicate files fast and easy!


Mac utility featuring antivirus protection with 99.7% detection accuracy, adware removal, ID theft monitoring, duplicates finder, and smart uninstall tools. Enhances performance by managing startup items, freeing RAM, updating apps, and optimizing disk space. Offers real-time threat detection and tech support.




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.

Empowers Mac users with powerful cleaning and optimization tools, ensuring device efficiency, increased security, and enhanced privacy with removal of system junk, duplicates, and management of startup items.


Dark Mode only. Difficult to see. Other reviews lead me to believe it is questionable software. I doubt this is better than CloneSpy.