Google NotebookLM

Research notes with a clear source trail

Google NotebookLM is a productivity app for students, researchers, writers and anyone working through a large set of reference material. It lets you bring PDFs, YouTube URLs, websites and text documents into one workspace, then ask questions or request summaries based on those sources. This makes it useful when you want help understanding your own material rather than a broad, open-ended assistant.

Answers tied to your material

NotebookLM keeps its responses focused on the sources you provide and includes inline citations, so you can check where an answer comes from. You can use it to identify key points, compare information across documents, or get a shorter explanation of a longer text. The source-based approach suits people who need to review information while keeping the original references close at hand.

Audio for another way to review

The app can turn source material into conversational Audio Overviews presented as discussions between AI hosts. This gives users an alternative to reading, whether they are revising notes or listening while handling another task. You can also steer the discussion by asking the hosts to concentrate on particular topics within the material.

App details

• Developer: Google LLC
• Category: Productivity
• Rating: 4.8 from 132,099 reviews
• Installs: 10,000,000+

NotebookLM is best suited to source-led work: reviewing course notes, preparing from documents, exploring a research collection, or turning written material into a more listenable format. Its value depends on having useful sources to bring into each workspace, but for that kind of focused reading and review, it offers a practical mix of search, explanation and audio summaries.