Koodo Reader

Koodo Reader logo

Koodo Reader is a program for reading and organizing e-books with the ability to synchronize and backup. A free and open source program


Koodo Reader is a free cross-platform program for reading and organizing open source e-books.

Supported platforms: Linux, Windows, macOS and Web.

Supported e-book formats:

  • EPUB (.epub);
  • PDF (.pdf);
  • DRM-free Mobipocket (.mobi) and Kindle (.azw3, .azw);
  • Plain text (.txt);
  • FictionBook (.fb2);
  • Comic book archive (.cbr, .cbz, .cbt, .cb7);
  • Rich text (.md, .docx);
  • Hyper Text (.html, .xml, .xhtml, .mhtml, .htm, .htm).

Book organization:

  • Books are divided into shelves (categories);
  • There is a sorting of added books by: recently read, title, date, duration, author, reading progress;
  • Book display modes are available: cards, list, covers;
  • You can add books to your favorites;
  • Support for creating notes;
  • Support for light and dark themes;
  • Backup and Restore;
  • Save your data to OneDrive, Google Drive, Dropbox, FTP, SFTP, WebDAV, S3, S3 compatibility;
  • Set up the source folder and sync it between multiple devices using OneDrive, iCloud, Dropbox and others, etc.

Reading books:

  • Viewing modes: single-page, double-page, continuous scrolling;
  • Add bookmarks, notes and highlights to your books;
  • You can translate, search in a book/Internet, convert text to speech;
  • Adjust font size, font family, line spacing, paragraph spacing, background color, text color, margins, and brightness;
  • There is reading progress and content.

Keyboard shortcut support:

  • Next page: Down key, Right key or Space key
  • Prev page: Up key or Left key
  • Hide reader: Tab key
  • Hide window frame and background: F12
  • Enter or exit fullscreen: F11

Screenshots Software


The software Koodo Reader is available for installation on Linux, Windows and macOS, as well as: Web version.

Install Software via Deb package

Install Software via RPM package

Install Software via Flatpak package

flatpak install flathub io.github.troyeguo.koodo-reader

Install Software via AppImage package

Install Software via EXE package on Windows

Install Software via DMG package for macOS

The web version of the Koodo Reader program: https://web .koodoreader.com/

Software Information

Language Interface:English, Russian, Deutsch, Spanish, French and others
Description version:1.5.1
Developer:Troye Guo
Programming language:JavaScript
License:AGPL v3
Software website:koodoreader.com/en

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