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Turn any PDF, slide deck or note into flashcards with AI

Upload your own class material and get flashcards that come back at the right time for review. Start on the free plan without a credit card.

Create flashcards nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates flashcards in seconds

Why students use an AI flashcard maker

Most course material is too long to turn into cards by hand. A AI flashcard maker website reads your own lecture slides, reading packets or notes and proposes question and answer pairs you can check before studying.

Turn PDFs, DOCX, PPTX, notes and page photos into flashcards
Review cards with spaced repetition that adapts to what you miss
Study in the browser on the free plan with 3 generations per month
Export to Anki or CSV with Plus at $39/year or $7.99/month

Example probability basics flashcards

What is the probability of an event?The number of favorable outcomes divided by the total number of equally likely outcomes, a value from 0 to 1.

What is the probability of rolling a 3 or a 5 on a fair six-sided die?1/3, because two of the six equally likely outcomes qualify and the two outcomes cannot happen together.

What does it mean for two events to be independent?The outcome of one does not change the probability of the other, so P(A and B) = P(A) × P(B).

What is the complement rule?P(not A) = 1 − P(A), because an event and its complement together cover every possible outcome.

What does a probability of 0 mean?The event is impossible. A probability of 1 means the event is certain to happen.

Generate the full set

Works with your files

Upload PDFs, DOCX and PPTX files, plain text notes, or photos of pages. Text in images is read with text recognition.

Spaced repetition built in

Cards you find hard return sooner and cards you know come back less often, so review time goes where it helps most.

Study where you are

Study flashcards in the browser on the free plan. Plus adds Anki and CSV export for studying in other apps.

How it works

Upload your material

Add a PDF, slide deck, set of notes or a photo of a textbook page.

Review the generated cards

Check the flashcards DeckOwl creates and edit any that need a clearer question or answer.

Study on a schedule

Review each day and let spaced repetition decide which cards appear next.

Making the cards is only half the work. Reviewing them at the right intervals is what makes them stick, so DeckOwl schedules each card with spaced repetition rather than showing the whole deck in a fixed order.

Because the cards come from your files, the deck matches what your instructor actually covers. You can then adjust wording, remove weak cards and add your own.

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Frequently asked questions

How many flashcards should I make for probability basics?

A single lesson usually supports 15 to 30 cards, one per definition, rule or worked example. Splitting a long chapter into several shorter uploads keeps each deck focused and easier to review.

What makes a good probability flashcard?

Put one concept on each card, such as a rule or a definition, and phrase the front as a question that can be answered from memory. Include a short worked number on the back when a formula is involved.

Can I export my flashcards to Anki?

Yes, but Anki export is a paid feature included in Plus at $39/year or $7.99/month. The free plan lets you study flashcards in the browser with 3 generations per month.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan without a credit card, and students get 40% off a paid plan with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.