Guides

Background that applies to any e-reader

The concepts and tools behind the device-specific pages. Start here if you are new to KOReader, Calibre or e-ink in general.

Concepts

E-ink vs LCD: what the screen difference actually means Why e-paper looks the way it does, where it wins, and the trade-offs — refresh, colour and ghosting — you are accepting when you choose it. Updated August 2026

Software

What is KOReader, and should you install it? KOReader is a free, open-source reading app that runs on almost every e-reader. Here is what it does, what it does not, and who it is for. Updated August 2026
Calibre basics: managing your own ebook library Calibre is the free desktop program most people use to organise books and get them onto a reader. Here is the mental model and the three tasks that matter. Updated August 2026

Formats

EPUB, MOBI, AZW3, PDF: which ebook format to use A plain guide to the formats your reader accepts, which one to keep your books in, and when conversion helps or hurts. Updated August 2026