Google's AI research assistant grounded in your own documents
NotebookLM (by Google) is a research assistant that works exclusively from sources you provide - PDFs, Google Docs, web URLs, YouTube videos, and audio files. It generates summaries, answers questions with citations, creates study guides, and now produces AI-generated podcast-style audio overviews of your material. Completely free. Ideal for students, researchers, and knowledge workers.
The AI assistant used by 200 million people worldwide