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Duplicate Cleaner vs rmlint: catalog facts
Duplicate Cleaner	rmlint
Freemium Free edition available; Duplicate Cleaner Pro is paid.	Free Free and open source.
Windows	Linux, Command line
Finds similar images even after editing or resizing Matches music by audio or tags	Very fast duplicate detection on large file trees Finds empty files, empty folders and other lint as well
Windows only Video matching requires the paid Pro edition	Mainly a command-line tool Aimed at Linux and Unix-like systems
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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.