An AI-powered e-book reader with intelligent chat, semantic search, annotation, and knowledge management.
An AI-powered e-book reader with intelligent chat, semantic search, annotation, and knowledge management.
Core Features
🤖 AI-Powered Reading
- Intelligent Chat - Ask questions about your books, AI knows your position, selected text, and highlights
- Semantic Search - Beyond keywords, vector retrieval + BM25 hybrid search
- Instant Translation - AI translation or DeepL, 19 languages supported
- Multiple AI Providers - OpenAI, Claude, Gemini, Ollama, DeepSeek
- Skills System - Built-in skills (summarizer, concept explainer, character tracker, etc.) + create custom skills
📝 Annotation & Knowledge Management
- 5-Color Highlights - Yellow/Green/Blue/Pink/Purple, hover to preview notes
- Markdown Notes - Rich text editor with toolbar, WYSIWYG
- Multi-format Export - Markdown, HTML, JSON, Obsidian, Notion
🔊 Text-to-Speech (TTS)
- Multiple Engines - Edge TTS, Browser TTS, DashScope (通义千问)
- Voice Selection - 100+ voices in multiple languages
- Speed Control - Adjustable playback speed
- Background Playback - Listen while doing other things
📊 Reading Statistics
- Reading Heatmap - Visualize your reading habits like GitHub contributions
- Trend Charts - Track daily/weekly/monthly reading time
- Streak Tracking - Longest consecutive reading days
- Book Statistics - Time spent per book, completion rate
☁️ Cross-Device Sync
- WebDAV Support - Sync your library, highlights, and notes across devices
- Auto Sync - Automatic background synchronization
- Conflict Resolution - Smart merge for concurrent edits
📚 Multi-Format Support
EPUB · PDF · MOBI · AZW · AZW3 · FB2 · FBZ · CBZ
🎨 Customizable Experience
- 5 font themes (CJK optimized)
- Light/Dark mode
- Paginated/Continuous scroll
- Keyboard shortcuts
- English/Chinese interface
