Optimize any EPUB for Xteink e-ink readers

Drop in any EPUB and get back a clean, optimized file tuned for your Xteink reader — the X4's 480×800 or the X3's 528×792 4-level grayscale display. A 20-step pipeline handles everything automatically.

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Images 4-level grayscale with dithering, resized to your device's screen, baseline JPEG
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Text Fixes spacing, OCR errors, smart quotes, mojibake encoding
🧹
Cleanup Strips fonts, unused CSS, store metadata, OS artifacts
📑
Structure Repairs HTML, validates TOC, generates covers, fixes references
View on GitHub — open source • MIT license

Drop EPUB files here

or click to browse • up to 100 MB each