KOReader
by KOReader Community
Ebook reader
Dangerous permissions
Verified creator
AGPL-3.0-only
vv2026.07.1
About
KOReader is an ebook reader optimized for e-ink screens. It can open many formats and provides advanced text adjustments.
See below for a selection of its many features:
- Supports both fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, CHM, TXT, HTML). Scanned PDF/DjVu documents can be reflowed. Special flow directions for reading double column PDFs and manga.
- Multi-lingual user interface optimized for e-ink screens. Highly customizable reader view with complete typesetting options. Multi-lingual hyphenation dictionaries are bundled in.
- Non-Latin script support for books, including the Hebrew, Arabic, Persian, Russian, Chinese, Japanese and Korean languages.
- Unique Book Map and Page Browser features to navigate your book.
- Special multi-page highlight mode with many local and online export options.
- Can synchronize your reading progress across all your KOReader running devices.
- Integrated with Calibre, Wallabag, Wikipedia, Google Translate and other content providers.
Permissions
2 permissions weaken the sandbox. Flatsonar asks before installing.
- all devices (/dev): webcams, disks, raw hardware
--device=all - full access to your entire file system
--filesystem=host - inter-process communication (needed for X11)
--share=ipc - network
--share=network - X11 display, only when Wayland is unavailable
--socket=fallback-x11 - Wayland display
--socket=wayland - access to xdg-run/gvfs
--filesystem=xdg-run/gvfs
Who publishes this
The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.
- verified on Flathub: the developer proved they control this app id
publisher:flathub
Maintenance
Recent activity on the upstream repository, or built and reviewed by Flathub.
No staleness signals: recent activity, or built and reviewed by Flathub.