Import your PDF and study it as flashcards in minutes
Upload a chapter, lecture deck or set of notes and get flashcards built from your own material, scheduled with spaced repetition so you review what you are about to forget.
How to import a PDF and make flashcards from it
A 40-page chapter is hard to review as one block, so many students skip rereading highlighted pages and go straight to importing a PDF to make flashcards. DeckOwl reads the text in your file and proposes question-and-answer cards drawn from the material you actually uploaded.
- Works with text-based PDFs, scanned pages and slide decks
- Cards are built only from the file you upload
- Spaced repetition schedules reviews based on what you miss
- Free plan includes 3 generations per month and browser study
Reads the file you upload
PDF, DOCX, PPTX, plain text and images are all accepted. Photos of pages are read with text recognition.
Cards come from your material
Each flashcard is drawn from the content of your file, so you study your own course readings rather than a generic deck.
Spaced repetition scheduling
Cards you miss return sooner and familiar ones appear less often, which keeps review time focused where it helps most.
How it works
Upload your PDF
Drag in a chapter, slide deck or scanned page. No credit card is needed to start.
Review the generated cards
Check the front and back of each card and edit any that miss a key term or definition.
Study on a schedule
Work through the day's cards in your browser and let spaced repetition decide what comes back next.
Cards are scheduled with spaced repetition, so terms you miss come back sooner and familiar ones appear less often. You can edit any card before studying, which helps when the generator picks a weak example or overlooks a definition your instructor stressed.
If your file is a scan or a photo of a page, text recognition handles the reading, though very blurry pages may need a clearer image before they produce good cards.
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Frequently asked questions
How many flashcards should I make from one chapter?
Most chapters work well with 20 to 40 cards focused on key terms, definitions and cause-and-effect relationships. Skip sentences that only add detail, since those slow down review without improving recall.
What is the best way to study flashcards for intro biology?
Recall the answer from memory before flipping the card, then rate how hard it was. Spaced repetition works better than rereading notes because it makes you retrieve terms at increasing intervals.
Can I export the flashcards to Anki?
Yes, export to Anki is a paid feature included with Plus at $9.99/month or $99.90/year. The free plan lets you study cards in the browser with 3 generations per month.
What file types can I import?
You can import PDF, DOCX, PPTX, plain text notes and images. Photos of pages are read with text recognition.
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