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jdupes vs Czkawka: catalog facts
jdupes	Czkawka
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence, with no advertising.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Android
Fast duplicate detection across large folders Can replace duplicates with hard links or symlinks	Finds duplicates, similar images, similar videos and similar music Written in Rust and multithreaded, with caching for repeat scans
Command-line only, with no graphical interface Deletion options need care to avoid removing wanted files	The Czkawka GTK interface ends at 12.0; new work goes to Krokiet Similar-image matching produces false positives you must review
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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