
Your AI research tool and thinking partner
NotebookLM is a source-grounded AI research assistant built by Google, powered by Gemini, that analyzes your uploaded documents and turns complexity into clarity. Upload PDFs, Google Docs, websites, and YouTube videos to create a private knowledge base you can chat with, generate podcast-style audio overviews from, and transform into study guides and mind maps.
Ask questions about uploaded documents and get answers with inline citations pointing back to exact source material
Transform documents into realistic podcast-style conversations with two AI hosts who summarize and discuss your content
Raise your hand during Audio Overviews to ask questions — AI hosts pause, answer, then resume
Upload up to 50 sources per notebook including PDFs, Google Docs, Slides, websites, and YouTube videos
One-click creation of flashcards, quizzes, study guides, and learning guides from materials
Generate mind maps, slide decks, infographics, data tables, and video overviews from sources
Save AI responses as notes, pin key insights, and build structured knowledge across documents
Upload lecture notes and papers to generate study guides, flashcards, and audio summaries for exam preparation
Upload financial reports and strategy documents to extract executive summaries and strategic insights
Transform blog posts and whitepapers into podcast-style audio overviews and slide decks
Upload product specs and competitive analysis for instant briefings before client calls
Best free AI tool for document synthesis and research — the most trustworthy AI for accuracy-critical work with source-grounded, citable responses
Best free tool for deeply analyzing a collected set of research papers with zero hallucination risk — ideal as a comprehension companion alongside discovery tools.
Integrates with Google Classroom, Canvas, and Schoology for educators
Upload contracts and regulations to quickly find relevant clauses and generate compliance summaries

AI search engine that finds answers in scientific research