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Rdfindjdupes
Free

Free software under GPL-2.0-or-later.

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Finds duplicates based on file content rather than filenames
  • Default run creates a results file without removing files
  • Fast duplicate detection across large folders
  • Can replace duplicates with hard links or symlinks
  • Windows use is through Cygwin
  • Command-line only, with no graphical interface
  • Deletion options need care to avoid removing wanted files
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0-or-later License: MIT
Not stated if an account is needed No account needed
Works offline Works offline

Checked October 8, 2026

Checked October 2, 2026

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