How to Adjust Typography and Reading Fonts in GemReader

Every reader's eyes and reading environments are different. A small, delicate serif font that looks graceful on a printed paper page can cause fatigue when read on a compact smartphone screen under dim light. Meanwhile, readers with dyslexia or visual tracking sensitivities often find specialized letterforms dramatically easier to read.

GemReader approaches digital typography with the devotion of a traditional book designer. Rather than locking you into rigid device defaults, you can choose between publisher-crafted layouts, time-honored literary serifs, clean sans-serifs, and dyslexia-friendly letterforms, adjusting text size until every page feels inviting.

Before fine-tuning your typography, ensure you have:

• Platforms: GemReader installed on Android or iOS.
• Supported Formats: Any reflowable ebook (such as EPUB, MOBI, AZW3, FB2, or plain text).
• Prerequisites: A book open in the reader view.

1. 1
   While reading any reflowable book, tap the center of the screen to reveal the top and bottom navigation bars.
2. 2
   Tap the Aa button in the top toolbar to open the Text Settings sheet.
3. 3
   Adjust Text Size: Locate the Text Size slider near the top of the sheet and drag the slider handle left or right to set the scale to your exact reading comfort.
4. 4
   Choose Your Font: Under the Font section, select from the curated family of typefaces:

   • Book: Honors the publisher's original stylesheet and embedded fonts.
   • Serif: A classic, balanced serif typeface suited for traditional prose.
   • Sans: A clean, contemporary sans-serif with high legibility on high-resolution screens.
   • Baskerville: A time-tested literary serif with refined contrast between thick and thin strokes.
   • Literata: A modern typeface specifically commissioned for digital long-form book reading.
   • Lexend: Designed to reduce visual crowding and increase reading speed.
   • OpenDyslexic: Features weighted bottoms and distinctive shapes to help prevent letter flipping and confusion.
5. 5
   Tap anywhere outside the sheet to dismiss the settings and return to reading.

• Curated Built-In Fonts: The built-in font family (Serif, Sans, Baskerville, Literata, Lexend, and OpenDyslexic) is carefully calibrated for digital displays, fully embedded, and ready to use without requiring separate downloads.
• Fixed Layouts & Comics: Note that fixed-layout documents (like CBZ comic archives and fixed PDF pages) preserve their pre-rendered graphics; typography and font-family controls apply to reflowable books.
• Typography Persistence: Your font family and text size preferences are remembered automatically across reading sessions, so your comfortable setup is waiting every time you open a book.