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How to de-DRM comics (lemmy.dbzer0.com)

submitted 7 months ago by [email protected] to c/[email protected]

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I'd like to buy a French comic I can't find online from any store that sells French Bande dessinée (Amazon, fnac or anything else) and then ask for a refund so I can keep a nice *.cbz or *.cbr file on my hard drive.

Any guide out there on how to properly de-DRM comics? I'd like something easy if possible I'm tech and computer savvy enough but not "coding" savvy

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[–] [email protected] 1 points 6 months ago

Where do you want to buy it from? If it's some obscure shop that has its own encryption scheme, it may be hard to find any solutions. If it uses Adobe encryption, you can probably get away with using the DeDRM tools. Whether it's a PDF or EPUB, you should be able to extract the images. EPUB is easiest, since it's just a zip file, just like cbz. I've had de-DRMed EPUB files that I opened directly in a comic reader and they worked perfectly fine. The image file names were already sequential.

If it's some other scheme that hasn't been cracked yet, though, and you don't care about having the original files, I've had success using this method for automating screenshots. I think this is a great option if you just need "good enough" image quality to store something without DRM, as it will work on pretty much anything. And tbh, the image quality of digital comics isn't that great anyway.