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Turn your own notes and slides into flashcards you can actually review

Upload a PDF, DOCX, PPTX, text file or photo of a page. DeckOwl builds flashcards and schedules reviews with spaced repetition, so you study what you are about to forget.

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 account · 3 sets a month · Creates flashcards in seconds

What to look for in a flashcard maker

Choosing a good flashcard maker usually comes down to one question: can it work from the material you already have? DeckOwl reads PDFs, DOCX and PPTX files, plain notes, and photos of pages, then turns them into cards you can review right away.

Accepts the files you already study from, not just typed text
Cards are generated from your own material, so they match your course
Spaced repetition schedules reviews based on what you recall
Free plan includes 3 generations per month and browser study

Example biology flashcards (general study topic)

Which organelle produces most of a cell's ATP?The mitochondrion. It carries out most of cellular respiration, which generates ATP through the electron transport chain.

What is the function of ribosomes?They synthesize proteins by translating mRNA into a chain of amino acids, which is why they are found in every cell type.

What is osmosis?The net movement of water across a selectively permeable membrane toward the side with the higher solute concentration.

What does the Golgi apparatus do?It modifies, sorts, and packages proteins and lipids from the endoplasmic reticulum for transport to other parts of the cell or outside it.

How does meiosis differ from mitosis?Meiosis produces four genetically varied haploid cells used for reproduction, while mitosis produces two identical diploid cells for growth and repair.

Generate the full set

Built from your material

Start with your lecture slides, textbook chapters, or photos of handwritten notes. The AI pulls out the key terms and concepts so you are not retyping anything.

Spaced repetition scheduling

Cards you miss come back sooner, and cards you know move out to longer gaps. Your review time goes to the material that needs it most.

Quizzes and mind maps too

Check understanding with multiple choice, true or false, and short answer questions that include explanations, or map how ideas connect across a topic.

How it works

Upload your material

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

Review the generated cards

Skim the flashcards, edit anything that looks off, and keep the ones that match what your course expects.

Study on a schedule

Work through the day's due cards in your browser. Spaced repetition brings back the ones you struggle with.

Spaced repetition is what makes flashcards stick. Reviews land just before you would otherwise lose a memory, so the effort goes where it pays off. Pair the cards with quizzes when you need to test understanding beyond recall.

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Frequently asked questions

How many flashcards should I make for one topic?

Most people do best with one card per distinct fact, term, or concept, usually between 20 and 50 cards per chapter. Cards that ask for several facts at once are harder to review, so split them up.

What makes a flashcard easy to remember?

Keep each card to one idea, write the front as a specific question, and put the answer on the back in your own words. Review cards on a schedule rather than cramming the whole deck in one sitting.

Can I export my flashcards to Anki or a PDF?

Yes, but exports are part of the paid Plus plan at $99.90/year or $9.99/month, which also removes generation limits. Plus includes PDF, DOCX, Anki and CSV export.

Is there a free plan, and do I need a credit card?

The free plan gives you 3 generations per month and lets you study in the browser, with no credit card needed to start. Exports are not included on the free plan.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.