Hi, I want a nice easy-to-use graphical program which can show image thumbnails atleast, and provide an easy way to encrypt images, and ideally other files too. I heard of a few programs but some dont show images and some look a bit dated ui wise. Seeing image thumbnails is pretty much a requirement as it would be alot of swapping back and forth otherwise.
I am using KDE (and nixos), I dont think that matters much for what I want.


So use gocryptfs and mount it to a folder.
Modern crypto is really fast though, your CPU has aes extensions that make the performance hit negligible. Doing the entire drive isn’t unreasonable.