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Turn the files you already have into AI flashcards

Upload a PDF, slide deck, set of notes or a photo of a page. DeckOwl writes the flashcards and schedules reviews so you see each card right before you forget it.

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

How AI flashcards from your own material work

Gizmo-style AI flashcards are most useful when they come from the exact pages your course uses, not a generic deck. Upload the lecture slides or reading you were assigned and DeckOwl turns the key terms, definitions and relationships into question-and-answer cards you can review on your own schedule.

Cards are generated from your own files, so the deck matches your course.
Spaced repetition schedules reviews based on how well you recalled each card.
Photos of printed pages are read with text recognition.
Free plan: 3 generations per month and study in the browser. Exports to PDF, DOCX, Anki and CSV are part of Plus.

Example biology flashcards for cell structure

What organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.

What does the nucleolus make?Ribosomal RNA, which is assembled into ribosome subunits.

What is the function of the Golgi apparatus?It modifies, sorts and packages proteins and lipids for transport.

What is osmosis?The net movement of water across a semipermeable membrane from lower to higher solute concentration.

What distinguishes prokaryotic from eukaryotic cells?Prokaryotes lack a membrane-bound nucleus and most membrane-bound organelles.

Generate the full set

Works from your material

Upload PDF, DOCX, PPTX, plain text or images. Photos of pages are read with text recognition.

Spaced repetition built in

Cards come back on a schedule based on how well you knew them, so study time goes to what you are about to forget.

Quizzes and mind maps too

The same upload can also produce multiple choice, true/false and short answer quizzes with explanations, plus mind maps.

How it works

Upload your notes

Drop in a PDF, slides, a document or a photo of your notes. No credit card is needed to start.

Review the generated cards

Check the flashcards DeckOwl writes, edit anything that is off, and keep the ones you want.

Study on a schedule

Work through the deck in the browser. Cards you miss return sooner, and cards you know spread further apart.

Good cards are short, test one idea each, and have an answer you can check against your source. Read each generated card once before you start, fix any wording that is vague, and delete anything that is not in your material. The spaced repetition schedule then handles the repeat exposure that keeps facts in long-term memory.

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Frequently asked questions

How many flashcards should I make for one chapter?

Aim for one card per key term, definition or cause-and-effect relationship rather than a fixed number. Most chapters produce a manageable deck when you keep each card to a single idea. Delete cards you already know well so review time stays on the hard ones.

How often should I review flashcards with spaced repetition?

Review daily in short sessions, even if only for 10 to 15 minutes, because spacing matters more than long cramming sessions. Let the schedule decide when a card returns instead of reviewing everything every day. Missed cards come back sooner, which is the point.

Does DeckOwl have a free plan?

Yes. The free plan includes 3 generations per month and lets you study in the browser. You do not need a credit card to start.

Can I export my flashcards to Anki?

Anki export is included in the Plus plan at $39 per year or $7.99 per month, along with PDF, DOCX and CSV export. Students can get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.