Koodo Reader is an all-in-one eBook reader for Windows, macOS, Linux, and the web, supporting over 15 formats.

Koodo Reader is licensed under AGPL-v3.0, you can view our source code on GitHub, feel free to star, fork, submit issue and pull request, to help Koodo Reader become better

Koodo Reader supports extensive ebook formats

Epub

.epub

Documents

.pdf

Kindle

.azw3, azw

Mobipocket

.mobi

Plain text

.txt

FictionBook

.fb2

Comic book

.cbr, .cbz, .cbt, .cb7

Rich text

.md, .docx

Hyper Text

.html, .xml

Koodo Reader runs on Windows 7+ (32bit and 64bit), macOS 10.11+ (x64 and ARM arch), all Linux distrubutions (via AppImage, deb, snap, rpm also provided) and Web

Koodo Reader values the safety of your data

Sync all your data

Customize the source folder and synchronize among multiple devices using OneDrive, iCloud, Dropbox, etc

Backup and Restore

Save your data to Dropbox, Webdav and local computer, and restore whenever you want

Koodo Reader is packed with powerful functionality

Study in Depth

Add bookmarks, notes, highlights to your books, text-to-speech, translation over 25 languages

Layout Mode

You can read book in single-column, two-column, or continuous scrolling layouts

Customizable UI

Adjust font size, font family, line-spacing, paragraph spacing, background color, text color, margins, and brightness and more

Theme Colors

Koodo Reader supports night mode and switching among 5 different theme colors.

Koodo Reader follows the principle of minimalist design, offering distraction-free and immersive reading experience