Your AI knowledge partner for collecting, organizing, and creating from information
Chat with your PDFs, generate quizzes, flashcards, and podcasts
Stage
MVP
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Founded
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Based in
CN
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Pricing model
Freemium
Freemium
Pricing
Free plan: 5 GB storage, PDF/image parsing up to 600 pages/month, audio/video up to 60 minutes/month, maximum file size 20 MB. Pro plan: ¥35/month (or ¥0.94/day when paid annually with ¥70 discount) includes 50 GB storage, PDF/image parsing up to 3000 pages/month, audio/video up to 300 minutes/month
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Key features
Web content capture and saving from browser
PDF, Word, and PPT file parsing into searchable documents
Automatic OCR for images and document scans
Audio and video transcription with summaries and key frames
Natural language search across knowledge base
AI-powered question answering with source citations
WeChat and QQ message forwarding to knowledge base
RSS feed subscription and auto-import
AI Agent for file organization and workflow execution
Open source code with self-hosting and offline support
AI Document Chat with cited answers
Multi-format file support (PDF, DOCX, TXT, Markdown, URLs)
AI-generated quizzes from document content
AI flashcard creation tailored to key concepts
PDF to podcast audio generation
AI essay writer and grader
Document library with topic-based organization
Multi-document conversation support
What makes it different
Unified content collection from multiple sources including chat apps, RSS, and web without changing habits
Automatic understanding and indexing of all content types for search and AI use
AI capabilities integrated directly into other AI tools via Skill integration
Free tier with generous quotas for most users before paid upgrade needed
Answers include page references for source verification
Processes documents in seconds with no manual searching
All features work directly from uploaded content without copy-pasting
OmniBox
NotebookLama