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Old 03-31-2021, 07:52 PM   #3
jhowell
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Posts: 7,086
Karma: 91577715
Join Date: Nov 2011
Location: Charlottesville, VA
Device: Kindles
Quote:
Originally Posted by odamizu View Post
I'm sure I'm missing something, but I have fuzzy recollection that Kindle for Mac and Kindle for iOS apps also use KCR renderer?? Or am I totally misremembering?
Yes, that is correct.

Quote:
Originally Posted by odamizu View Post
I know K4Mac will download and render KFX, and if KFX is blocked, it will download KF8 then immediately convert that KF8 to KCR and delete the KF8 version. Does that mean K4Mac has both a KCR renderer and a KFX renderer?
Yes.

Quote:
Originally Posted by odamizu View Post
Also, what formats can Kindle app for iOS currently receive and read? Can it read KFX? KCR? (I'm pretty sure it can read old mobi and it cannot read KF8.)
Yes, it can read MOBI but not KF8. There are also lesser used formats, such as Topaz.

The reason for the lack of KF8 is assumed to be because it is based on an outdated version of WebKit and Apple does not allow that within iOS apps. KCR is implemented in JavaScript and uses use native iOS HTML support instead.

Quote:
Originally Posted by odamizu View Post
Interesting. How can you tell?
By looking at the HTML content of the product web page. For these books it renders Look Inside using an iframe that gets its content from read.amazon.com, the website for Kindle Cloud Reader.
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