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Old 05-06-2020, 12:05 PM   #3
carmenchu
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Posts: 193
Karma: 266070
Join Date: Dec 2010
Location: Spain
Device: Win10,Win11,Ubuntu,PockbookLux44
Quote:
Originally Posted by kovidgoyal View Post
calibre covers are always going to be in a single format and that format is JPEG. trying to change that is waaaaaay to likely to break things.
Sorry: so, when I want a cover with transparency, I just add it in sigil...
Quote:
Originally Posted by kovidgoyal View Post
As for webp feel free to use it in other parts of your book if you like, calibre doesnt care, though it is quite likely your book will not work in most reading software.
Well, the only reader I care for is calibre e-viewer, so's mutual...
Anyway, plug-ins ought to respect existing .webp images, unless they mean to do a conversion to pander to user-agent quirks...
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