Rdfind VS Video Comparer

You can get a similar effect on top of any file system that supports hard links with rdfind ( https://rdfind.pauldreik.se/ ) -- but it's pretty slow. The Arch wiki says: "Tools dedicated to deduplicate a Btrfs formatted partition include duperemove, bees, bedupAUR and btrfs-dedup. One may also want to merely deduplicate data on a file based level instead using e.g. rmlint, jdupesAUR or dduper-gitAUR. For an... - Source: Hacker News / 10 months ago

Rdfind is very good. It lets you do a variety of things when you find a duplicate: symlink to it, delete it etc. It's efficient in the way it looks for duplicates. Source: almost 2 years ago

You could use a deduplication tool like rdfind maybe? Source: about 2 years ago

I generally use rdfind for this purpose on Linux, when I think/know there are probably some duplicates that I could hardlink together without negative effects. Source: about 3 years ago

Https://video-comparer.com/ is another I've tried back in 2018 and this was the most disappointing, it had such a MASSIVE amount of false positives, I had to get it refunded. They updated it since then. But I don't feel like testing again. It looks the most professional of all of them, the most enterprise like in features, yet I was so disappointed with it, I submitted screenshots of the results I was getting and... Source: about 2 years ago