Is it possible to add custom fonts to my Kobo ereader? How can I do that?

2 Answers 2


Yes, custom fonts are easily added to any ereader of the Kobo family. An article on MobileRead fully explain how.

Fonts can be be very easily added to the Kobo family of eReaders. With the Kobo attached to your computer, create a new directory called fonts in the root directory of the device (the same location as the .kobo, .adobe-digital-editions and Digital Editions directories.

Once this directory has been created, simply copy entire font families into it.

A font family consists of four files; one each for Regular, Italic, Bold and BoldItalic.

The font should be named the same as the system sees the font, so in the case of Linux Libertine, it's exactly that. You'll have 4 different font file, and you want to name each one in the style <Font Name>-<Font Weight>, so for Linux Libertine, you should have 4 files:

Linux Libertine.ttf (or Linux Libertine-Regular.ttf)
Linux Libertine-Italic.ttf
Linux Libertine-Bold.ttf
Linux Libertine-BoldItalic.ttf

For many fonts, the name can simply be what you'd expect it to be, but for some, the actual font name is different than what seems obvious. And you are correct, all these files go into a folder called "fonts" on your Kobo.

  • On Kindle I was disappointed to find out that this only worked for Kindle-bought books, not sideloaded. What is the story here for Kobo?
    – Peheje
    Commented Jul 17, 2019 at 20:26

you have a complete tutorial here for add a custom font on Kobo Glo.

  • 1
    When that link goes dead this answer loses any of its usefulness. Please repeat the actual actions here and provide the link as a reference to detailed information only.
    – Anthon
    Commented Oct 13, 2014 at 11:11

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