Compare software

Cisdem Duplicate FinderCzkawka
Paid

Free download to try, with a paid license for full use.

 Free

Free and open source under the MIT licence, with no advertising.

Windows, macOS, iOS Windows, macOS, Linux, Android
  • Compares files by content, not just names
  • Finds similar photos as well as exact duplicates
  • Finds duplicates, similar images, similar videos and similar music
  • Written in Rust and multithreaded, with caching for repeat scans
  • Full version requires purchase
  • Closed source
  • The Czkawka GTK interface ends at 12.0; new work goes to Krokiet
  • Similar-image matching produces false positives you must review
Downloadable app Downloadable app
Closed source Open source
License not stated License: MIT
Not stated if an account is 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.