Thread: azw3 vs KFX to ePub
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Old 02-21-2024, 05:31 PM   #4
Ebookus
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Device: Kindle
Quote:
Originally Posted by JSWolf View Post
You do not want the KFX. You want the KF8. You can then use the KindleUnpack plugin to shift the KF8 to ePub. Then load the ePub into the editor and use the epubcheck plugin to check for errors and fix them.

You can also remove any unused CSS, add in a cover if you want/need, and edit the code if you want.
Thanks for your quick reply, I have followed your advice regarding KindleUnpack and that seems to have worked great.

I am curious as to what errors would occur and what benefit one gets from deleting unused CSS, besides un-bloating the code.

Quote:
Originally Posted by jhowell View Post
KFX format taken from a Kindle app has image resolution and quality that more closely matches that supplied by the publisher. KF8 images are generally reduced in quality as compared with KFX. (However KFX taken from an e-ink Kindle device will have even worse quality than KF8.)

In some cases KF8 can have an associated AZW6 file that has higher quality images, close in quality to those available with KFX. An image merging plugin is available for calibre that can substitute those images into a KF8 file resulting in both HTML/CSS fidelity and good image quality.
This is a text-only ebook so no issue with images this time. Regarding the AZW6, is there any difference between downloading the KF8 file from the website (download and transfer via USB) vs transferring it from a kindle keyboard?
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