Customize Amazon Kindle Keyboard fonts without jailbreak

This is a font customization that you can do to your Kindle device without the Jailbreak. It's not as powerful as the font hack. You can only able to change the reader font.

  1. On your Amazon Kindle, press Home button to go to your home page.
    This step is important to make sure the change you are going to do will take effect. If you are doing this while an eBook is open, the change will not take effect.
  2. Connect your Amazon Kindle to your computer with a USB cable.
  3. Open the folder in sequence : system > com.amazon.ebook.booklet.reader
  4. In the "com.amazon.ebook.booklet.reader" folder, open reader.pref file with a text editor.
  5. Add a new line to the file just before "FONT_FAMILY=" line:
    ALLOW_USER_FONT=true
  6. Replace FONT_FAMILY= with FONT_FAMILY=alt.
  7. Save and close the reader.pref file.
  8. At the root of your Kindle device, create a folder named fonts.
  9. In this folder, you will need to rename your custom fonts with specific names according to their styles.
    • Regular : alt-Regulat.ttf
    • Bold : alt-Bold.ttf
    • Italic : alt-Italic.ttf
    • Bold Italic : alt-BoldItalic.ttf
  10. Eject your Amazon Kindle Keyboard.
  11. Restart your Amazon Kindle:
  12. Menu > Settings > Menu > Restart
Important Notes
This customization of the reader.pref file will be reset if you try to change the typeface setting in the [AA] menu but changing the other settings should be fine.


Resources:

Comments

  1. Hi Sir,

    I try every step exactly as you mentioned above to change the font. I can open the documents with changed font but some of the ebook cannot open until change the font back to default font. How should I solve the problem. Your kind advice is greatly appreciated.
    Thanks in advance.

    ReplyDelete
    Replies
    1. kindle_user,

      I have never seen this happen before because i tested this customization to see if it works. After that i revert it back.

      Delete
  2. I can't find reader.pref in Kindle Touch. Any Help!!! Thanks.

    ReplyDelete
    Replies
    1. Hi Khant, i only owned Kindle Keyboard. Kindle Touch might have a different firmware. Can check with Mobile Read forums. They have loads of customization guide there.

      Delete

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