From the project’s github page: Czkawka is a simple, fast and free app to remove unnecessary files from your computer.
This is an excellent, fast tool for finding duplicates, large files, etc.
I was running out on my home directory and freeing up lots of space with this tool turned out to be super easy.
Sadly, it doesnt detect short videos. I don’t have many, but there are certainly a bunch of short “accidentally pressed record and forgot to delete it later” videos from my phone in my PC.