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Czkawka vs Detwinner Linux Edition: catalog facts
Czkawka	Detwinner Linux Edition
Free Free and open source under the MIT licence, with no advertising.	Free Free and open source under GPL-3.0-or-later.
Windows, macOS, Linux, Android	Linux
Finds duplicates, similar images, similar videos and similar music Written in Rust and multithreaded, with caching for repeat scans	Finds exact duplicates and similar images Offers file size, attribute and path filters
The Czkawka GTK interface ends at 12.0; new work goes to Krokiet Similar-image matching produces false positives you must review	Moving files to the trash is unavailable in the Flatpak installation.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0+
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.