Koodo Reader: open-source ebook reader (Free app)

Koodo Reader is a modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux and Web


  • Format support:
    • EPUB (.epub)
    • Scanned document (.pdf, .djvu)
    • DRM-free Mobipocket (.mobi) and Kindle (.azw3, .azw)
    • Plain text (.txt)
    • FictionBook (.fb2)
    • Comic book archive (.cbr, .cbz, .cbt, .cb7)
    • Rich text (.md, .docx, .rtf)
    • Hyper Text (.html, .xml, .xhtml, .mhtml, .htm, .htm)
  • Platform support: Windows, macOS, Linux and Web
  • Save your data to Dropbox or Webdav
  • Customize the source folder and synchronize among multiple devices using OneDrive, iCloud, Dropbox, etc.
  • Single-column, two-column, or continuous scrolling layouts
  • Text-to-speech, translation, progress slider, touch screen support, batch import
  • Add bookmarks, notes, highlights to your books
  • Adjust font size, font family, line-spacing, paragraph spacing, background color, text color, margins, and brightness
  • Night mode and theme color
  • Text highlight, underline, boldness, italics and shadow

Install for macOS


brew install --cask koodo-reader


macOS Windows, Linux, Web, Docker


AGPL-v3, GNU Affero General Public License v3.0


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