Convert your favorite fonts for your portable e-ink readers — right from your phone.
DotInk lets you easily transform .ttf fonts into .bin fonts optimized for e-ink devices, without needing a computer.

Key Features:
1. Use system fonts or import external .ttf font files.
2. Customize character spacing, line height, size, and weight for better readability on your e-ink display.
3. Preview font rendering in real time — closely simulating the actual e-ink device display.
4. Supports multiple portable e-ink readers, including XTEINK X4, MoFei 3.7, and WuDaDa·XiaoMo.

Designed for readers, creators, and developers who value clarity and simplicity.

Thank you to all our early supporters — we welcome your feedback, ideas, and suggestions!