NotebookLM is an artificial intelligence–based note-taking and knowledge exploration tool developed by Google. It allows users to upload their own documents and interact with them through AI-assisted summaries, explanations, and structured notes, while remaining strictly grounded in the provided sources.
NotebookLM is used by students, researchers, professionals, and knowledge workers who work with large volumes of written material and need to better understand, synthesize, and organize information. The tool is positioned as a research and knowledge companion rather than a general chatbot or task manager, focusing on reasoning over personal or professional documents.