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fclones vs fdupes: catalog facts
fclones	fdupes
Free Free and open source under the MIT licence.	Free Free and open source.
Linux, Command line	macOS, Linux, Command line
Finds duplicates by file content, not by name Many options for limiting the search scope	Finds duplicates by file content Interactive or automatic deletion
Command-line only unless you install the separate GUI Removing files by mistake is easy without a backup	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: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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