About Koodo Reader
Koodo Reader is an all-in-one eBook reader for Windows, macOS, Linux, and the web, supporting over 15 formats.
All-in-one ebook reader
Koodo Reader is an all-in-one eBook reader for Windows, macOS, Linux, and the web, supporting over 15 formats.
New Features
- The table of content now displays the number of pages by default; there is no need to enable the “Total Pages” feature separately.
- Software security has been optimized to address an arbitrary code execution vulnerability caused by metadata.
- An additional confirmation step has been added when importing books via external links using the URL scheme to enhance security.
- The “Ask AI” feature now supports the Ctrl + Enter shortcut for submitting questions.
- Added an eraser tool to Doodle Mode
- Added support for 7 languages on the official website
- (Mobile) Added a feature to resync all book covers; go to Settings > Sync options
- (Mobile) Optimized the smoothness of page-turning animations
- (Mobile) Optimized the smoothness of certain app animations
- (Mobile) Added an option to download images in CBZ comic mode
Fixes
- Fixed an issue where footnotes in some books did not appear in a pop-up window
- Fixed an issue where reading progress could not be tracked for some books containing special styles
- Fixed an issue where table of contents highlighting did not work after enabling “Total Pages”
- Fixed an issue where page numbers were not displayed in the table of contents for some TXT books
- (Mobile) Fixed an issue where authorization via the browser failed on older iOS versions, resulting in a blank page
- (Mobile Version) Fixed abnormal slider behavior on iOS
- (Mobile Version) Fixed an issue where swiping on an image triggered image preview in scroll mode
- (Mobile Version) Fixed an issue where text could not be selected in the Android version after enabling recommended layout under certain conditions
- (Mobile Version) Fixed stuttering issues when enabling TTS for some book
- (Mobile) Fixed an issue on iOS where the horizontal bar in the bottom navigation bar did not automatically hide during reading
- (Mobile) Fixed an issue where footnotes for some books did not appear in a pop-up window
- (Mobile) Fixed an issue where reading progress could not be tracked for some books containing special styles
- (Mobile) Fixed an issue where page numbers were not displayed on the table of contents for some TXT books
Tip
You can also download the installation package for this version from the our self-hosted mirror.
| Publisher | App by Troye |
|---|---|
| Author | Troye |
| Version | 2.4.6 |
| Release date | 2026-10-07 |
| License | AGPL-3.0 |
| Installer type | nullsoft |
| Architecture | x64, arm64 |
| Package ID | AppByTroye.KoodoReader |
| Install scope | Current user |
winget install --id=AppByTroye.KoodoReader -ewinget upgrade --id=AppByTroye.KoodoReader -ewinget uninstall --id=AppByTroye.KoodoReader -e"Koodo-Reader-2.4.6-x64.exe" /SKoodo Reader can open or be associated with 10 file types:
New Features
New Features
New Features
- The context length for custom AI models now retains approximately 5 messages by default to prevent the context from growing indefinitely
- The keyboard shortcut for creating a note has been changed to Ctrl + Enter
- Optimize the trigger area for the buttons around the book
- Browser extension is now listed in the Chrome Web Store and Edge Addons Store
- (Mobile) The context length for custom AI models now retains approximately 5 messages by default to prevent the context from growing indefinitely
- (Mobile) Android version is now listed in the Google Play Store
Fixes
- Fixed an issue where backup files from the 1.7.4 stable release could not be restored
- Fixed an issue where PDF reading progress was lost in the 1.7.4 stable release
- Fixed an issue where the book list was not displayed after upgrading from the 1.7.4 stable release
- Fixed compatibility issues with the Minimax audiobook plugin
- (Mobile) Fixed a UI issue on the TTS voice page
Note
This version has been selected as the stable release candidate. It should work fine in most cases. If you have any concerns, please download the previous stable version
Tip
You can also download the installation package for this version from the our self-hosted mirror.
Yes. Koodo Reader is free and open-source software released under the AGPL-3.0 license.
The latest version is 2.4.6, released on Oct 7, 2026.
The download button links to the official installer published on dl.koodoreader.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 706ce81ec8baf0e659bba722a343bce2bdd9be78c6ef5dbb061e9ef604733a0b.
Koodo Reader runs on Windows and is available for 64-bit (x64), ARM64 systems.
Run the offline installer with "Koodo-Reader-2.4.6-x64.exe" /S, or install it with Windows Package Manager: winget install --id=AppByTroye.KoodoReader -e --silent.
Open Settings › Apps › Installed apps, find Koodo Reader and select Uninstall. From the command line, run winget uninstall --id=AppByTroye.KoodoReader -e.
Koodo Reader supports 10 file types, including .azw, .azw3, .cb7, .cbr, .cbt, .cbz, .epub, .fb2 and more.