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Turn your notes into yes or no flashcards with AI

Upload a PDF, slides, notes or a photo of a page and get yes or no review cards that come back until you know them.

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Why yes or no flashcards work

Yes or no questions test recall quickly, because each card asks for one fact you either know or don't. Students often search for yes or no flashcards when they want fast true-or-false drills before an exam. DeckOwl reads your own material and writes those cards, so the questions match your course instead of a generic deck.

  • Test one claim per card so a single answer is clearly right or wrong.
  • Mix true and false answers so you cannot guess the pattern.
  • Write the reason on the back, not just the word yes or no.
  • Review missed cards again the same day, then let spaced repetition space them out.
Example yes or no flashcards for high school biology
Does the mitochondrion have its own DNA?Yes. It carries a small circular genome separate from the nuclear DNA.
Is insulin produced by the liver?No. Beta cells in the pancreas produce insulin.
Do plants release oxygen during photosynthesis?Yes. The oxygen comes from splitting water in the light-dependent reactions.
Is DNA replication semiconservative?Yes. Each new double helix keeps one original strand and gets one newly made strand.
Do mature human red blood cells have a nucleus?No. They lose their nucleus, which leaves more room for hemoglobin.
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Cards from your own material

Upload PDFs, DOCX or PPTX files, plain notes, or photos of pages. Each yes or no question comes from the text you actually study.

Spaced repetition

Cards you miss come back sooner and cards you know come back less often, so review time goes to the facts you still need.

Short reasons on the back

Every answer states yes or no and gives a one-sentence reason, so a wrong guess teaches you the rule behind the fact.

How it works

Upload your material

Add a PDF, slides, a document, notes, or a photo of a textbook page. Text recognition reads the images.

Generate yes or no cards

DeckOwl writes one-claim questions with answers and short explanations. Your free plan includes 3 generations per month.

Review until they stick

Study in the browser with spaced repetition. Plus adds exports to PDF, DOCX, Anki and CSV for other study tools.

Good yes or no cards test one claim each. Avoid double negatives and questions with two parts, and make sure the back states the answer plainly followed by a short reason.

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Frequently asked questions

Do yes or no questions help you remember facts?

Yes, they work well for recall because each card forces a quick decision and a check against the answer. They are most useful when the back also explains why, so you learn the rule and not only the verdict.

How many yes or no cards should I make for one topic?

Start with 15 to 25 cards per chapter, covering the key claims, definitions and exceptions. Add more where you keep missing questions, and drop cards that you answer correctly every time.

Can I export yes or no flashcards to Anki?

Yes, but export is a paid feature. The Plus plan at $39 per year or $7.99 per month includes PDF, DOCX, Anki and CSV export, and the free plan lets you study in the browser.

Do I need a credit card to try DeckOwl?

No, you can start on the free plan without a credit card. Students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.