![]() ![]() It was my first time using it, as I generally prefer a GUI. I also tried converting the EPUB using KindleGen. I just wish Kindle would get with the program and work with EPUB a bit more nicely! Bloating a 10MB file all the way up to 40MB is really killing this. Makes me hate the MOBI format all the more. Thank you for your responsses! So if I understand correctly, the file size is bloating up to 40MB because (1) my CSS has to get merged into the HTML and (2) all the tiny PNGs get blown up into JPGs? Furthermore, the file size reduction I did on my PNGs would have no effect, because MOBI does not support PNG? I guess this makes sense. Anybody have any idea what I might be able to do to reduce the file size? Jumping from 18MB EPUB to 40MB MOBI is a bit ridiculous. Whatever is happening during the mobi conversion is adding artificial bulk to the file I've often seen file size increases when converting to mobi, but never more than doubling of file size. ![]() This particular file has 184 JPG/PNG images totaling 19.2 MB uncompressed the entire uncompressed EPUB folder is 21.7 MB. Both the EPUB and Mobi are submitted for final publication (usually along with the final print PDF and sometimes online/interactive PDF as well). When I'm all done I zip it all back up and run it through a validator, then I use calibre to make a mobi of it. I unzip the EPUB contents and insert my own handwritten CSS file and go through the HTML to double check it. My standard workflow involves exporting the EPUB from InDesign CS5.5 with export tagging enabled for all styles, using a TOC Style to generate the navigation, with no embedded fonts, and no generated CSS. Usually this goes quite well, but today I converted a very large EPUB, weighing in at 18MB, to MOBI, and the resulting MOBI was 40MB! I even did the conversion several times hoping it would make some difference, but to no avail. I design books in Adobe InDesign for print and ebook publishing and have been using Calibre to convert EPUBs to the Mobi format. Hi everybody, I'm new here on this forum. ![]()
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