NotebookLM

Google's AI research assistant that turns your documents into an interactive knowledge base. Upload PDFs, articles, and notes — then ask questions, get summaries, and generate podcast-style audio discussions about your content. NotebookLM keeps everything grounded in your sources.

• Source-grounded AI — answers are always tied to your uploaded documents with citations • Audio overviews — generates podcast-style discussions about your content • Multi-source — upload PDFs, Google Docs, websites, YouTube videos, and more • Interactive Q&A — ask questions and get answers synthesized from your sources • Study guides — auto-generate summaries, FAQs, and study materials • Collaborative — share notebooks with others for team research

Completely free with a Google account. Part of Google's AI experiments.