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In the grim darkness of the far future, knowledge is power, and wisdom is forged in battle.
Codex is an open source, ad-free, Administratum-approved eBook (& dataslate) reader for Android.

• Forge your reading experience with modern Material You design, dynamic themes, custom color presets, and background images
• Supports multiple eBook formats (PDF, TXT, EPUB, FB2, HTML, HTM, MD, FODT)
• Organize your library with categories and advanced search (title, author, description)
• Customize font (yes, even add your own!), text size, padding, reading speed, and more
• Progress tracking, bookmarks with custom names, and in-book text search with highlighting
• Text selection with dictionary lookup and in-app WebView
• Storage Access Framework integration
• Built with Jetpack Compose

• Book's Story (GitHub)
• Tachiyomi (Mihon) (GitHub)
• Kitsune (GitHub)
• Voyager (Voyager Website)