For this reason, Adobe Fonts are preferable because InDesign subsets them into quite small file sizes of about 25Kb-35Kb.

Many of the eBooks I publish are 500 pages and up, and with our organization's standard promotional pages and their associated images, I can easily approach an EPUB file size of 2Mb if the font files don't subset into reasonable sizes. So, here's a follow-up on this matter after a couple weeks of intense troubleshooting. The second 'Chapter 1' is using 'h1.ChapterHeading'.Īs you can see, the 'Ch' and 'e' are bold (or bolder?) and the other characters are not.įont-family: 'Warnock Pro Display', serif įont-family: 'Kepler Std Display', serif In the screenshot, the first 'Chapter 1' is using 'h1.h1SerifChapter'. Neither is the issue just local to Calibre, since when I convert using Kindle Viewer, the bold inconsistencies carry through the conversion. This is not true of all Adobe fonts, and I'm having great difficulty narrowing down the issue. epub file contains the subset fonts, as well as the encryption.xml file to extract them.Ĭalibre opens the EPUB with the Adobe fonts already subset, however, I am recently finding that some Adobe fonts are being mishandled when using bold, applying bold to some characters and not to others.

Since Adobe CC Fonts are licensed for EPUB distribution, I export them using InDesign to a reflowable EPUB, and the packaged.

Calibre font adobe