Compare software

rmlint vs fdupes: catalog facts
rmlint	fdupes
Free Free and open source.	Free Free and open source.
Linux, Command line	macOS, Linux, Command line
Very fast duplicate detection on large file trees Finds empty files, empty folders and other lint as well	Finds duplicates by file content Interactive or automatic deletion
Mainly a command-line tool Aimed at Linux and Unix-like systems	Terminal only, with no graphical interface Deleting files needs care to avoid removing the wrong copy
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
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

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