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Duplicate File FinderdupeGuru
Freemium

A free version is available, and a paid Pro version unlocks more features.

 Free

Free and open source under the GPL 3.0.

macOS Windows, macOS, Linux
  • Scans external disks and cloud storage folders as well as the Home folder
  • Finds similar photos as well as exact duplicates
  • Fuzzy image matching finds resized and re-encoded copies
  • Separate music mode that compares tags rather than bytes
  • macOS only
  • Some features are reserved for the paid Pro version
  • 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
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

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