Turn your lecture PDF into flashcards in minutes
Upload a textbook chapter, lecture slides, or class notes. DeckOwl reads the text and builds flashcards you can review on a spaced repetition schedule.
How to get flashcards from a PDF that match your course
Many students want to turn PDF to flashcards the night before a quiz, but copying terms by hand from a 40-page chapter takes longer than the review itself. Uploading the file lets the tool pull out definitions, key terms, and facts, so you start studying sooner.
- Upload a PDF, DOCX, PPTX, text file, or image and get a flashcard deck from your own material.
- Review cards in the browser on the free plan, with 3 generations per month.
- Use spaced repetition to focus on the cards you have not yet learned.
- Export to Anki, CSV, PDF, or DOCX on Plus, or use Pro for bulk upload and QTI 2.1 or Moodle XML export.
Works with your own files
Upload PDF, DOCX, PPTX, plain text, or a photo of a page. Images are read with text recognition.
Spaced repetition built in
Cards you miss come back sooner, and cards you know fade into longer intervals so review time goes where it helps.
Export when you need it
Paid plans export to PDF, DOCX, Anki, and CSV, so your cards can move into the study app you already use.
How it works
Upload your material
Drop in a PDF, slides, notes, or a photo of a page. No credit card is needed to start.
Review the generated cards
Check the front and back of each card, then keep the ones that match what your instructor covered.
Study on a schedule
Open your deck in the browser and rate each card. The spacing adjusts to how well you remember it.
The cards are only useful if they match what your course actually covers. Read through the generated deck, delete anything off-topic, and edit wording that does not sound like your instructor. A deck built from your own lecture notes tends to stick better than a generic set.
Spaced repetition does the rest. Review the deck in short sessions over several days instead of cramming it once, and the cards you struggle with will keep showing up until they become easy.
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Frequently asked questions
How many flashcards should I make from one PDF?
Aim for one card per distinct term, definition, or fact you would be expected to recall on an exam. Long chapters often produce a few dozen useful cards, and it is better to trim a large deck than to keep cards you do not need.
How do I study flashcards made from a PDF effectively?
Review a small batch every day rather than the whole deck once, and say the answer aloud before flipping the card. Mark cards you missed so they return sooner, and rewrite confusing ones in your own words.
Can I export the flashcards to Anki?
Yes, Anki export is included on the Plus plan, which is $39/year or $7.99/month. The free plan lets you study in the browser but does not include exports.
Do I need a credit card to try it?
No. You can start on the free plan without a credit card, and students get 40% off paid plans with a school email.
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