KOReader App
* portable: runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook), Android and Linux computers. Developers can run a KOReader emulator in Linux and MacOS.* multi-format documents: supports fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, CHM, TXT). Scanned PDF/DjVu documents can also be reflowed with the built-in K2pdfopt library.
* full-featured reading: multi-lingual user interface with a highly customizable reader view and many typesetting options. You can set arbitrary page margins, override line spacing and choose external fonts and styles. It has multi-lingual hyphenation dictionaries bundled into the application.
* integrated with calibre (search metadata, receive ebooks wirelessly, browse library via OPDS), Wallabag, Wikipedia, Google Translate and other content providers.
* optimized for e-ink devices: custom UI without animation, with paginated menus, adjustable text contrast, and easy zoom to fit content or page in paged media.
* extensible via plugins
* and much more: look up words with StarDict dictionaries / Wikipedia, add your own online OPDS catalogs and RSS feeds, online over-the-air software updates, an FTP client, an SSH server, …
What's new in v2025.04
- Dictionaries with images now automatically use the
resfolder as their starting point. - The
autofrontlightandbackgroundrunnerplugins have been removed. - The
exporterplugin no longer supports memos and flomo. - You can now export text selections via QR codes more quickly.
- New hotkeys can be added with custom keyboard shortcuts.
- KindleHF support added for devices running firmware 5.16.3 or higher.
- Annotations can now be synced between devices.
- The user guide has received a significant update.
