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Turn any class notes into flash cards for students

DeckOwl works in your browser, so there is no shop to visit. Upload a PDF, slides, notes or a photo of a page and get flashcards built from your own material.

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How to make flash cards for students from your own material

Students often already have the right material, such as lecture slides, a chapter PDF or handwritten notes, and what they need is a fast way to turn it into flash cards for students to review. Typing cards by hand takes hours, and copied cards often repeat the textbook without testing recall.

  • Start with key terms and definitions, then add cards for processes and comparisons.
  • Keep one fact per card so you can tell quickly whether you actually knew the answer.
  • Review missed cards first, and use short daily sessions rather than one long cram.
  • Test yourself from the front of the card before flipping it over.
Example intro biology flash cards
Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.
What is the function of the cell membrane?It acts as a selectively permeable barrier that controls what enters and leaves the cell.
What is osmosis?The movement of water across a selectively permeable membrane toward the side with more dissolved solute.
What does a ribosome do?It builds proteins by translating mRNA into a polypeptide chain.
How do prokaryotic and eukaryotic cells differ?Eukaryotic cells have a membrane-bound nucleus and organelles, while prokaryotic cells do not.
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Cards from your own files

Upload PDFs, DOCX, PPTX, plain text or photos of pages. Text is read from each file so the cards match what you were taught.

Spaced repetition built in

Cards you find hard come back sooner, and cards you know fade into longer gaps, so study time goes where it helps most.

Study in the browser

Start free with 3 generations per month and study right away. No credit card is needed, and nothing has to be installed.

How it works

Upload your material

Add a chapter PDF, lecture slides, typed notes or a photo of a textbook page.

Review the generated cards

Check each question and answer, edit anything unclear, and remove cards you do not need.

Study with spaced repetition

Work through the deck daily. Missed cards return more often until they stick.

Printed or ready-made card sets rarely match the exact course you are taking. DeckOwl reads your own files and builds cards from them, so the terms match your professor's wording. If you need a set for a group study session, the same deck can be shared in a Plus export.

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Frequently asked questions

How many flash cards should I make for one chapter?

Most chapters work well with 20 to 40 cards, with one idea per card. Start with the terms your instructor emphasized, then add cards for processes and comparisons.

What makes a good flash card?

A good card asks one clear question on the front and gives a short, specific answer on the back. Avoid cards that test several facts at once, since they are hard to grade honestly.

Can I export my flash cards to Anki?

Yes, Anki export is included with Plus, which costs $99.90/year or $9.99/month. The free plan lets you study in the browser but does not include exports.

Is there a free plan for students?

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

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Keep exploring the topic

Review the main ideas visually or practice recalling them.