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How to encrypt an image (and other stuff) graphically on linux (lemmy.zip)

submitted 1 week ago by SpiderUnderUrBed@lemmy.zip to c/foss@beehaw.org

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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.

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[–] anamethatisnt@sopuli.xyz 4 points 1 week ago* (last edited 1 week ago)

As you're using KDE and NixOS I imagine you got Dolphin as your file manager.
edit: While the below is great for an encrypted backup of your images that you can move to a thumbdrive or another computer I recommend you look at the Vaults mentioned by @e8d79@discuss.tchncs.de for encryption directly on the machine.

Step 1: - Create an encrypted and password protected 7-zip

Step 2: - Settings for the 7-zip

Step 3: - Opening up the encrypted 7-zip file by double clicking and entering the password from Step 2

Step 4: Place the picture folder and the 7-zip next to each other

Removal of pictures from the 7-zip is as simple as rightclicking on them:

Adding pictures to the folder can be done as a simple drag and drop:

While this allows you to see the thumbnails of your unencrypted images before drag and dropping them to the 7-zip you will not be able to see thumbnails when they've been encrypted (Compare left and right view in drag and drop image).
You can double click images in the encrypted archive to open them up though.