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Originally Posted by jersysman
I really do think you can get a better response about the dynamics of the converting in the Calibre forum. Most of us here will be guessing and wondering just like you.  |
You're probably right. If any of the mods are seeing this, would you mind moving this thread to the Calibre forum, please?
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Originally Posted by Ripplinger
I've seen books where the cover image was 7MB in size (yes, for just the cover). Idiotic waste of space. So it could very well be the one image causing it.
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Wow, I didn't realize that. How ridiculous. I didn't even think to check the cover image. Thanks for the tip. I'm going to check ALL of my covers from now on.
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Mobi files are generally larger than epub, even as much as 2x the size if you convert to both new and old format.
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I don't even know how to do that. My mobi settings are the default settings it came with, with the exception of putting the TOC and the beginning instead of the end when converting from ePub.
Does converting mobi to mobi remove one of the formats? I think I heard that a mobi converted from an ePub retains both formatting within it. So I'm wondering if converting a second time, mobi to mobi, removes one of the formatting?
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Originally Posted by pdurrant
calibre conversions all go through an internediate ePub format. So the first transformation was ePub -> mobi. The second was mobi->ePub->mobi.
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Ohhh, I see.
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If you want to find out what changed, unpack the two mobipocket files and compare them.
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Good idea. I've never unpacked a book and looked inside. How would I do that? Can Calibre do that, or would I need separate software?