Thread: Bulk Cover Fixing for KEPUB?
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Old 02-04-2026, 03:35 PM   #3
JSWolf
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Quote:
Originally Posted by CirrusGear View Post
Is there a way to bulk edit kepub files in such a way that I don't have to edit them individually? To be more clear, I have found that to make covers not stretch after being converted by Calibre I have to by hand go into editing the file by search and replacing "preserveAspectRatio='none'" with "preserveAspectRatio='xMidYMid meet'" on each titlepage.xhtml for each book.


Can I do this in bulk or do I have to do this by hand each book?
Use the KoboTouch driver to convert to KePub as you send to your Kobo. There is an option to in the Collections, covers, & uploads tab to Keep cover aspect ratio. You need to be using calibre 8.16.2 or 9.1.
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