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koreader: Multi-format eBook Reader

Name: koreader: Multi-format eBook Reader
Author: koreader

Get a versatile eBook reader for various devices. For founders needing eBook solutions, backed by 28k+ GitHub stars.

27,715 stars1,782 forksLuaQuality 8/10Updated 7/12/2026100% free · open source

What it does

Koreader is an ebook reader application that supports various formats such as PDF, DjVu, EPUB, and FB2, allowing users to read ebooks on devices like Cervantes, Kindle, Kobo, PocketBook, and Android devices

Install / run

To install Koreader, clone the repository from GitHub using the command `git clone https://github.com/koreader/koreader.git`

When to use it

•When you need to read ebooks in multiple formats on a single device
•When you want to customize your ebook reading experience with features like font sizes, margins, and lighting
•When you need to read ebooks on a device with limited storage capacity, as Koreader is a lightweight application

Quick start

1Clone the Koreader repository and navigate to the directory using `cd koreader`
2Build the application using the command `luarocks make manifest.lua`
3Create a new folder for your ebooks and add your ebooks to it, then configure Koreader to read from this folder by editing the `koreader.lua` file
4Launch Koreader using the command `luarocks run koreader`
5Customize your reading experience by editing the `koreader.lua` file to change settings like font size, margin, and lighting

Ready-to-paste prompt

To open an ebook in Koreader, use the command `luarocks run koreader /path/to/your/ebook.epub`

Heads up: Koreader requires LuaRocks to be installed on your system, and you need to have the `luarocks` command available in your system's PATH to build and run Koreader

Saves to your device