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Amazon also changed their encryption schema yet again, such that any book published in 2023 or newer is using a new format that is as of yet uncrackable by DeDR

Amazon also changed their encryption schema yet again, such that any book published in 2023 or newer is using a new format that is as of yet uncrackable by DeDRM/NoDRM. I've been slowly weening myself from Amazon and buying all books through Kobo (mostly because Amazon often has ebook sales that aren't on sale elsewhere), but 2023 seems like a good time to break completely. Unfortunately I've still got a bunch of comics though them, and last I checked the old Comixology scraping tools had broken when Amazon nixed the old Comixology web client.

triyambakam 4y ago
Can DRM be removed from books downloaded from Kobo?
- AdmiralAsshat 4y ago
  Yes, the OBOK plug-in has decrypted everything I've thrown at it so far, sans books borrowed from overdrive. But I have no interest in defrauding libraries: I just want to make backups of books I legally purchased.
charles_f 4y ago
Doesn't the work around to use an old version of the kindle app work anymore?
- Uvix 4y ago
  It works for titles released before January 2023. New titles going forward refuse to download in old versions of the app.
  - criddell 4y ago
    If you download the books for an old Kindle that doesn’t support KFX, can you get a crackable file?
    - dopa42365 4y ago
      Correct (Paperwhite 1 for example).
kevinh 4y ago
Unfortunately, from what I've heard, for your book to be on Kindle Unlimited it cannot be available elsewhere, so many smaller authors won't be available on other stores. I'm surprised Amazon hasn't gotten scrutiny for it.
- vidarh 4y ago
  That's true. As someone in that boat, I'll probably take my books out of KU for exactly that reason and new ones are likely to only end up on KU for at most one 3 month period. There are people who seem to do quite well with KU, but looking at my own numbers I suspect it looks a lot better than it is when taking into account the restrictions it adds. It absolutely is worth occasionally having things in KU for unknown authors (like me) for discovery, but for me at least I've come to question if it makes financial sense in the long run vs. making things more widely visible.
goosedragons 4y ago
You can enable adding your Comixology library to your Kindle library (there's some setting on the Amazon site) and then you should be able to get copies and remove DRM like any other Kindle book (well published before 2023...)
- AdmiralAsshat 4y ago
  The comics/graphic novels that you can download via the Kindle for PC app are at a much lower resolution than what is delivered over the Comixology app, I've noticed. I think the app must detect what your device is and only deliver the super-high-res version if your device's display can support it. But anecdotally, the graphic novels I backed up via the Kindle for PC method were maybe around 250mb in size and tended to be 1155x1650 resolution, while the same graphic novel downloaded via the Comixology app on my tablet might be 1-1.5GB in size.

triyambakam 4y ago

Can DRM be removed from books downloaded from Kobo?

AdmiralAsshat 4y ago
Yes, the OBOK plug-in has decrypted everything I've thrown at it so far, sans books borrowed from overdrive. But I have no interest in defrauding libraries: I just want to make backups of books I legally purchased.

charles_f 4y ago

Doesn't the work around to use an old version of the kindle app work anymore?

Uvix 4y ago
It works for titles released before January 2023. New titles going forward refuse to download in old versions of the app.
- criddell 4y ago
  If you download the books for an old Kindle that doesn’t support KFX, can you get a crackable file?
  - dopa42365 4y ago
    Correct (Paperwhite 1 for example).

kevinh 4y ago

Unfortunately, from what I've heard, for your book to be on Kindle Unlimited it cannot be available elsewhere, so many smaller authors won't be available on other stores. I'm surprised Amazon hasn't gotten scrutiny for it.

vidarh 4y ago
That's true. As someone in that boat, I'll probably take my books out of KU for exactly that reason and new ones are likely to only end up on KU for at most one 3 month period. There are people who seem to do quite well with KU, but looking at my own numbers I suspect it looks a lot better than it is when taking into account the restrictions it adds. It absolutely is worth occasionally having things in KU for unknown authors (like me) for discovery, but for me at least I've come to question if it makes financial sense in the long run vs. making things more widely visible.

goosedragons 4y ago

You can enable adding your Comixology library to your Kindle library (there's some setting on the Amazon site) and then you should be able to get copies and remove DRM like any other Kindle book (well published before 2023...)

AdmiralAsshat 4y ago
The comics/graphic novels that you can download via the Kindle for PC app are at a much lower resolution than what is delivered over the Comixology app, I've noticed. I think the app must detect what your device is and only deliver the super-high-res version if your device's display can support it. But anecdotally, the graphic novels I backed up via the Kindle for PC method were maybe around 250mb in size and tended to be 1155x1650 resolution, while the same graphic novel downloaded via the Comixology app on my tablet might be 1-1.5GB in size.