2eInk

Convert images to optimized screensavers for e-ink devices. Runs entirely in your browser - no uploads, no server.

Features

• Device Presets - Pre-configured settings for Kindle, Kobo, reMarkable, and Boox devices
• Batch Processing - Convert multiple images at once with parallel Web Workers
• Privacy First - All processing happens locally using WebAssembly
• Customizable Pipeline - Adjust brightness, contrast, gamma, dithering, and more
• Live Preview - Compare original and processed images with an interactive slider
• Multiple Dithering Algorithms - Floyd-Steinberg, Atkinson, and ordered dithering

Supported Devices

Brand	Models
Kindle	Paperwhite 5, Paperwhite 4, Oasis 3, Scribe, Basic (2022)
Kobo	Clara 2E, Libra 2, Sage
reMarkable	reMarkable 2
Boox	Note Air

Custom device configurations are also supported.

Usage

1. Select your e-reader from the device dropdown
2. Drop images onto the upload area (JPG, PNG, or WebP)
3. Adjust pipeline settings if needed (optional)
4. Download individual images or all as a ZIP

Tech Stack

• Framework - SvelteKit with Svelte 5 runes
• Styling - Tailwind CSS v4
• Image Processing - Photon (Rust/WebAssembly)
• Parallelization - Web Workers with worker pool
• Icons - Lucide

Development

# Install dependencies
pnpm install

# Start dev server
pnpm dev

# Build for production
pnpm build

# Preview production build
pnpm preview

License

MIT