NotebookLM

What is NotebookLM?

NotebookLM is a free tool from Google that acts like a research assistant who has read everything you gave it and nothing else. You create a notebook, add sources such as PDFs, articles, Google Docs, YouTube videos or audio, and then ask questions. Every answer points to the exact passages it used. Because it sticks to your material, NotebookLM is far less likely to invent things than a general chatbot, which makes it a favourite of students, researchers and anyone who has to understand a lot of reading quickly.

Key features

• Grounded answers with citations. Click a citation to jump to the passage in the original source.
• Audio Overviews. Turn a notebook into a conversational audio summary, available in many languages.
• Video Overviews. Generate a narrated slide-style video explaining the material.
• Study tools. Create study guides, briefing documents, FAQs, timelines, flashcards and quizzes.
• Mind maps. See how the ideas in your sources connect and expand any branch.
• Discover sources. Describe a topic and let NotebookLM suggest web sources to add.
• Sharing. Share notebooks with classmates or colleagues.

How to get started

1. Go to notebooklm.google.com and sign in with a Google account.
2. Create a notebook and add your sources: upload files, paste links or pick documents from Google Drive.
3. Read the automatic summary, then ask a first question: “What are the three main arguments, and where does the author support them?”
4. Generate an Audio Overview or a study guide from the Studio panel.
5. Add notes to keep the most useful answers.

Who NotebookLM is for

Students preparing for exams, teachers building lesson materials, researchers working through papers, consultants and analysts digesting reports, lawyers reviewing documents and content creators turning research into scripts. Anyone who has ever thought “I don’t have time to read all of this” will find it useful.

Tips to get more from NotebookLM

• Keep notebooks focused. One notebook per course, project or client gives cleaner answers.
• Prepare your PDFs. Combine scattered chapters into one file with the free merge PDF tool before uploading.
• Scanned documents. If a PDF is a scan, check it’s readable; converting pages with PDF to JPG helps you spot pages that came out blank.
• Ask for disagreements. “Where do these sources disagree?” reveals nuances a summary hides.
• Customise audio. Tell the Audio Overview what to focus on and who the audience is.

NotebookLM vs alternatives

Gemini and Claude can also analyse uploaded files, but they mix in general knowledge, which is great for brainstorming and worse for strict source work. Perplexity researches the open web rather than your documents. Elicit is built specifically for academic literature and extracting data from papers.

Is NotebookLM worth it?

Absolutely, especially because the core features cost nothing. If you learn from documents or need to brief yourself on unfamiliar material, NotebookLM is one of the most useful AI tools available. Its limits only become noticeable for very heavy use, where Google’s paid plans offer more capacity.

Working with lots of documents? Holsha’s free PDF tools let you merge, split and compress files before you add them to a notebook. Explore more research tools in the AI tools catalog.