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jdupesdupeGuru
Free

Free and open source under the MIT licence.

 Free

Free and open source under the GPL 3.0.

Windows, macOS, Linux, Command line Windows, macOS, Linux
  • Fast duplicate detection across large folders
  • Can replace duplicates with hard links or symlinks
  • Fuzzy image matching finds resized and re-encoded copies
  • Separate music mode that compares tags rather than bytes
  • Command-line only, with no graphical interface
  • Deletion options need care to avoid removing wanted files
  • Last release was July 2022 and the project is asking for maintainers
  • Fuzzy matching is slow on very large photo collections
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

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