Fonts not embedding into epub file

Forum|Forum|3 years ago
November 19, 2022
2 replies
4134 views

When I generate a "fixed format" epub book from InDesign, the fonts do not embed. I have a proprietary OTF font that shows up as nonsense. The fonts print perfectly in hardcopy, and in fact I have been using them for many years with InDesign books. Is there some way to adjust the "export to epub" function to fix this?

EPUB

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Correct answer Anselm Hannemann

This could be to a couple of reasons:

The font is not licensed for EPUB format so InDesign does not embed it
The EPUB is not created in a valid format. It may be a good idea to check this with Sigil. This tool also allows you to edit metadata and other stuff or embed fonts.
It may be a good idea to check with https://ebookflightdeck.com/ as well, it can give you hints in regards to fonts as well, see this thread for another example of font problems.

Hope this helps, if you still have questions or can’t solve with these tools, write a comment with new details here again.

BobLevine

Community Expert

How do you know they're not embedded? Which EPUB reader are you checking in?

N

NIRCAuthor

Inspiring

The fonts embed properly with "reflowable" formatting, but not with "fixed format." I viewed the files on the Apple iBook app and on the Windows Acrobat EPUB reader. Same results..

Anselm Hannemann

Correct answer

Community Expert

This could be to a couple of reasons:

The font is not licensed for EPUB format so InDesign does not embed it
The EPUB is not created in a valid format. It may be a good idea to check this with Sigil. This tool also allows you to edit metadata and other stuff or embed fonts.
It may be a good idea to check with https://ebookflightdeck.com/ as well, it can give you hints in regards to fonts as well, see this thread for another example of font problems.

Hope this helps, if you still have questions or can’t solve with these tools, write a comment with new details here again.

James Gifford—NitroPress

Legend

Almost certainly the first. While ID doesn't always create perfect EPUB files, most of the faults are trivial structural things that affect only a subset of readers.

I rarely encounter errors with epubcheck, for example, and when I do they are things like nonfatal warnings about endnote links.

But this (likely) issue is why I dislike both FXL and font embedding. Both are contrary to the proper concept and execution of an ebook, hacks for writer/publishers who want to, er, have their page and "e" it, too. 🙂

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