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Turn YouTube lessons into flashcards with AI

DeckOwl does not pull in video links directly. Paste a transcript or your own notes, and it builds flashcards with spaced repetition so you can review what you watched.

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Turning a video into study cards

Lecture videos are hard to review because you cannot skim them the way you skim a textbook. A YouTube-to-flashcards routine fixes that by turning the spoken content into short questions you can answer from memory.

Paste the transcript instead of retyping the speaker's points.
Make one card per idea, not one per sentence.
Edit cards that are too wordy before your first review.
Review at spaced intervals rather than in one long session.

Example supply and demand flashcards

What is the law of demand?As the price of a good rises, the quantity demanded falls, all else equal.

What causes a shift in the supply curve?Changes in input costs, technology, number of sellers, or producer expectations, not a change in the good's own price.

What is market equilibrium?The price where quantity supplied equals quantity demanded, so there is no shortage or surplus.

What happens to equilibrium when demand rises and supply stays fixed?Both the equilibrium price and quantity rise, because demand shifts right along an unchanged supply curve.

What is a price ceiling and what usually results?A legal maximum price set below equilibrium, which typically creates a shortage.

Generate the full set

Works from your text

Paste a transcript or notes, or upload a PDF, slides, DOCX or a photo of a page. The AI reads the text and drafts cards from it.

Spaced repetition

Cards come back at growing intervals, so you see the hard ones more often and the easy ones less often.

Study in the browser

The free plan lets you study cards in the browser with no download. Paid plans add exports to PDF, DOCX, Anki and CSV.

How it works

Get the transcript

Copy the captions or transcript from the video, or type out the points you noted while watching.

Paste or upload

Drop the text into DeckOwl, or upload a file if you saved notes as a PDF or DOCX.

Review on a schedule

Study the generated cards and let spaced repetition decide when each one returns.

The method works best when you choose the ideas worth testing. Keep definitions, causes, and cause-and-effect links as separate cards, and skip filler like introductions and jokes. Then review the set in short sessions over several days instead of cramming it all at once.

DeckOwl reads the text you give it and drafts flashcards, quizzes and mind maps from it. You can edit any card before you study, which keeps the set focused on what your course actually covers.

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Frequently asked questions

Can DeckOwl read a YouTube link directly?

No. Copy the video's transcript or your own notes into a text file, or upload a PDF, slides or a photo of the notes, and DeckOwl generates flashcards from that text.

How many flashcards should I make from one lecture video?

Make one card for each distinct idea, such as a definition, a cause, or an example, rather than copying every sentence. The right count depends on how much the lecture covers, so let the material decide.

How do I study supply and demand from a video?

Write down the main claim each time the speaker changes topic, then test yourself on definitions and on how a price change moves each curve. Review the cards in short sessions across several days.

Do I need to pay to export flashcards?

Yes. The free plan lets you study in the browser without exports. Plus, at $39/year or $7.99/month, adds unlimited generations and PDF, DOCX, Anki and CSV export.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.