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Turn your NotebookLM notes into flashcards with AI

Upload PDFs, slides, notes or photos of pages, and DeckOwl builds flashcards with spaced repetition so the material sticks.

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Free account · 3 sets a month · Creates flashcards in seconds

Studying NotebookLM material with flashcards

Once your research lives in NotebookLM, you still need a way to memorize it, and a flashcard app for NotebookLM material turns those sources into cards you can review on a schedule.

  • Generate cards from PDFs, DOCX, PPTX, plain text or photographed pages
  • Review with spaced repetition so weak cards come back sooner
  • Check each card against the original source before you rely on it
  • Export to Anki, PDF, DOCX or CSV on the Plus plan
Example flashcards about NotebookLM
What does NotebookLM do with the sources you upload?It answers questions and writes summaries based on those sources, with citations back to the passages.
What is the main difference between NotebookLM and a general chatbot?NotebookLM keeps its answers tied to the documents you provide, rather than drawing on general training data alone.
Name three source types you can add to NotebookLM.PDFs, Google Docs and pasted text are common examples; websites and video transcripts are also supported.
Why should you check an AI-made flashcard against the original source?AI summaries can misstate details, so verifying each card against the page prevents you from memorizing an error.
What is spaced repetition?A review method that shows each card again at increasing intervals, timed to come back just before you would forget it.
Generate the full set

Starts from your own sources

Upload the PDFs, slides, notes or images you study from, including photos of printed pages read with text recognition.

Spaced repetition built in

Cards come back at growing intervals, timed to just before you would forget them, so review time goes to what you are losing.

Quizzes and mind maps too

Turn the same material into multiple choice, true/false and short answer questions with explanations, or a mind map of the main ideas.

How it works

Add your material

Upload a PDF, DOCX, PPTX, plain text file or photo of your notes. Use the same sources you research with in NotebookLM.

Generate flashcards

DeckOwl reads the text and proposes cards with a question or term on the front and the answer on the back.

Review on a schedule

Study in your browser each day. Cards you miss return sooner, and cards you know drop back in the rotation.

Summaries and chat answers are easy to reread and easy to forget. Flashcards force recall: you see the question, answer from memory, then check the card against the original source. That check also catches any detail an AI summary got wrong.

DeckOwl takes the files you already have, such as PDFs, slides and notes, and produces cards you can edit before you study. The free plan covers three generations a month, and paid plans add unlimited generations and exports.

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Frequently asked questions

How many flashcards should I make from one NotebookLM source?

Make one card for each distinct fact, definition or cause in the source. Drop any card you would not actually need to recall on an exam.

Does spaced repetition work better than rereading summaries?

Spaced repetition usually works better because it makes you retrieve the answer at growing intervals. Try to answer from memory before you check the back of the card.

Can I export my flashcards to Anki?

Yes, Anki export is included in the Plus plan, which costs $99.90/year or $9.99/month. Students get 40% off with a school email.

Is there a free plan?

Yes, the free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exports require a paid plan.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.