> The current Kindle formats (AZW3, KF8, and KFX) are based on MOBI and is a proprietary format exclusively used on Kindle devices. And, in fact, you can still open files with the MOBI format directly on your Kindle
https://www.howtogeek.com/360419/what-is-a-mobi-file/
If you want to write a Kindle book, checkout my book, Publish Your eBook by Joel Dare.
https://www.amazon.com/Publish-Kindle-write-ebook-software-e...
For example, my girlfriend is an avid ebook reader but couldn’t be less interested in it. “I can see why that could be useful but... no thanks.”
We like the smell of our own farts too much sometimes. In this case, in the form of “why don’t people want to use more software to do what you were already doing without it?”
Yes, that's a good point. I originally had "Why would you want to go without Calibre when it's so multi-functional?", but changed it to "Who knows why you'd want …" in an aim to sound less confrontational. I seem instead to have gone the other way!
I can't run calibre from my mobile. I can rename .epub to .png and email that from my mobile.
Yes, I can host calibre somewhere else. No, my technologically savvy friends and family cannot. I also don't want them to depend on me to be able to convert an epub for their kindle when there's a trivial solution that doesn't require additional dependencies.
There's a "less" missing in there, oops.