Https://github.com/qarmin/czkawka by far the best of anything iv tried. Source: 7 months ago

I've used Czkawka (https://github.com/qarmin/czkawka) because it does Lanczos-based image duplicate detection, which makes it more practical for me. - Source: Hacker News / 8 months ago

Maybe it's a setting you made or the files, not sure. You can try another software czkawka to see if you get better results with it. Source: 9 months ago

For static images I used https://github.com/qarmin/czkawka and it works well enough. I think. But when I used it on a folder with gifs and their jxl conversions, it shows nothing. SURELY this could not be user error, rrrright? Source: 10 months ago

I used to use DupeGuru which has some photo-specific dupe detection where you can fuzzy match image dupes based on content: https://dupeguru.voltaicideas.net/ But I switched over to czkawka, which has a better interface for comparing files, and seems to be a bit faster: https://github.com/qarmin/czkawka. - Source: Hacker News / 11 months ago

There's this software I use to find duplicate music files named Similarity, there are Linux duplicate finders that work for images already but nothing similar for music files. Source: almost 2 years ago