They're not though. They only do over the cloud conversions from epub to an amazon proprietary format, that can make the covers or formatting go awry.

[–] ABCDE@lemmy.world 1 points 11 months ago* (last edited 11 months ago) (2 children)

Okay so this is weird.. I sent a mobi file and it didn't work.

Dear Customer,

A document sent at 10:24 AM on Wed, Dec 13, 2023 GMT could not be delivered.

Send to Kindle can convert and deliver the following types of documents: • EPUB (.epub) • Adobe PDF (.pdf) • Microsoft Word (.doc, .docx) • Rich Text Format (.rtf) • HTML (.htm, .html) • Text (.txt) documents • Compressed documents (.zip, .xzip) • JPEG (.jpg), GIF (.gif), Bitmap (.bmp) and PNG (.png) images.

Very odd, so mobi isn't supported now?

[–] GullibleOyster@lemmy.world 2 points 11 months ago

Yeah mobi support got removed earlier this year. Epubs work fine for me though once use calibre to remove the DRM.

[–] Historical_General@lemm.ee 1 points 11 months ago

Yeah, it's silly and odd and likely done to push customers towards formats that they have greater control over.

Those epubs that aren't really epubs, randomly disallowing azw3 files (that they support officially!!!) from being downloaded directly from the kindle's built in browser and other restrictive behaviour are part of this. That's why I'm eventually looking to enable epubs on kindle once the people at mobileread find a way to do it. Apparently calibre can be set up to send files too via email so that's another option.

[–] ABCDE@lemmy.world 1 points 11 months ago

Oh, I assumed they would just be supporting it as standard now, that's annoying. I've just gotten myself an Oasis so.. well, guess I'll rustle up my mobi files once more.