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A flashcard maker that turns your PDFs and notes into study cards

Upload a PDF, slide deck, document, plain notes or a photo of a page. DeckOwl reads the text and writes flashcards you can review on a spaced repetition schedule.

Create flashcards nowFree · No credit card required

Free account · 3 sets a month · Creates flashcards in seconds

How this flashcard maker builds cards from your files

Your lecture slides, PDF readings and photographed notes already hold the terms you need to memorize. A flashcard maker that reads those files pulls out the key questions and answers, so your study time goes to recall instead of typing.

  • Each card covers one fact, term or process so you can tell quickly whether you got it right.
  • Spaced repetition schedules reviews based on how well you knew each card last time.
  • Photos of printed pages are read with text recognition, so you do not need a digital copy.
  • Plus adds unlimited generations and PDF, DOCX, Anki and CSV export.
Sample cell biology flashcards for a general study deck
Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.
What is the function of the Golgi apparatus?It modifies, sorts and packages proteins and lipids for transport. Cells use it as a shipping center.
What is osmosis?The movement of water across a selectively permeable membrane toward the side with more solute.
How do prokaryotic and eukaryotic cells differ?Eukaryotic cells have a membrane-bound nucleus and membrane-bound organelles, while prokaryotic cells lack both.
What does the rough endoplasmic reticulum do?Its ribosome-studded surface helps synthesize and fold proteins destined for secretion or membranes.
Generate the full set

Reads the files you already have

PDF, DOCX, PPTX, plain text and images are all supported. Photos of pages are read with text recognition.

Spaced repetition built in

Cards you miss come back sooner, and cards you know move to longer gaps, so review time goes to what you are forgetting.

Export when you need it

Plus users can export to PDF, DOCX, Anki and CSV. Free users can study in the browser.

How it works

Upload your material

Add a PDF, slides, notes or a photo of a page. No card is needed to start.

Generate and review the cards

DeckOwl writes question and answer cards from the text. Edit any card that does not match your course.

Study on a schedule

Answer each card, rate how hard it was, and let spaced repetition decide when it returns.

Cards work best when each one tests a single idea and when you see them again at the right time. Start with the terms and processes your instructor emphasized, then add cards for the answers you keep missing in practice.

If you are short on time, the Free plan gives you 3 generations per month to try the tool on one real study set before you decide whether a paid plan fits.

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Frequently asked questions

How many flashcards should I make for a cell biology unit?

Most units work well with 20 to 50 cards, grouped by topic so each card tests one idea. Start with terms and processes from your lecture slides, then add cards for the mistakes you keep making.

How do I study flashcards effectively?

Try to answer each card before you flip it, and rate how hard it was. Spaced repetition brings missed cards back sooner and moves easy ones further apart.

Can I export my flashcards?

Export to PDF, DOCX, Anki and CSV is included in the Plus plan, which costs $99.90 per year or $9.99 per month. The Free plan lets you study in the browser without exports.

Is there a free plan, and do students get a discount?

Yes, the Free plan includes 3 generations per month and no credit card is needed to start. Students get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.