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Old 02-25-2018, 02:30 PM   #4
sjfan
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Posts: 281
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Join Date: Sep 2017
Location: Bethesda, MD, USA
Device: Kobo Aura H20, Kobo Clara HD
Quote:
Originally Posted by slowfax View Post
If there is a special character in an ebook (e.g. from a foreign language or a mathematical formula sign: ı, ƾ, ؾؾ, ∑ or similar), you can at least reduce the size of the fonts by using a (built in) Calibre plugin. I don't know the english name of the plugin. In German language it is called "Bücher perfektionieren", translated anything like "make your book perfect".
In English this is the “Polish books” option (the link tells you how to turn it on). The two options you mention are “Subset all embedded fonts” to reduce the fonts to just those characters needed, and “Losslessly compress images” to attempt to reduce image size without altering quality.
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