Koodo Reader serves as a comprehensive, open-source ebook manager designed to consolidate your entire digital library into one accessible interface. This versatile application moves beyond simple file opening, offering a centralized hub where you can organize, study, and enjoy literature across a vast array of document types. By supporting everything from standard book formats to comic archives, it eliminates the need to switch between different programs just to read different file extensions.
Key Features
- Universal Format Support: Opens over 15 distinct file types including EPUB, PDF, MOBI, AZW3, and DJVU, along with comic book archives like CBR and CBZ, ensuring practically any digital document is readable immediately.
- Cloud Synchronization: Connects with storage services like Dropbox, Google Drive, OneDrive, and WebDAV to keep your reading progress, notes, and library consistent across your Windows devices.
- Advanced Annotation Tools: Allows you to highlight text, add personal notes, and create bookmarks, making it highly effective for active study sessions where retaining information is critical.
- Smart Reading Aids: Includes built-in text-to-speech, instant translation for foreign languages, and quick dictionary lookups to assist with comprehension without leaving the application.
- Interface Customization: Offers adjustable layouts such as single-column, double-column, or continuous scrolling, plus options to modify font size, line spacing, and background themes for reduced eye strain.
Use Cases
Academic researchers and students will value the ability to highlight key passages and export notes directly from PDFs and textbooks for easy review. Meanwhile, comic book and manga enthusiasts can utilize the specialized image rendering to enjoy graphic novels in CBR or CBZ formats without formatting errors.
For readers seeking a private, ad-free experience that handles complex libraries with ease, Koodo Reader offers a sophisticated solution that respects user data.
Version 2.2.5 — December 2025
- Enhanced the AI translation engine to improve accuracy and expanded support to 92 different languages.
- Implemented encrypted cloud storage for data source credentials when using Koodo Sync, allowing for immediate synchronization on new devices without reauthorization.
- Introduced a new option to export software debug logs, accessible under Settings > General.
- Optimized the application installer size by removing unnecessary language packs.
- Improved application performance and memory usage on mobile devices, specifically reducing lag in large libraries.
- Fixed a bug where the book list sorting order would not update correctly after exiting reading mode.
- Resolved an issue causing text truncation in certain PDF files when using scroll mode.
- Corrected a problem where footnote navigation failed to function in specific books.
- Addressed a glitch that prevented the menu button from being hidden.
- Fixed an issue where the current chapter was not automatically located or highlighted in multi-level chapter structures.
