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fdupes vs Duplicate Cleaner: catalog facts
fdupes	Duplicate Cleaner
Free Free and open source.	Freemium Free edition available; Duplicate Cleaner Pro is paid.
macOS, Linux, Command line	Windows
Finds duplicates by file content Interactive or automatic deletion	Finds similar images even after editing or resizing Matches music by audio or tags
Terminal only, with no graphical interface Deleting files needs care to avoid removing the wrong copy	Windows only Video matching requires the paid Pro edition
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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