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Get free flashcards from the PDF you already have

Skip generic printable decks. DeckOwl builds flashcards from the exact PDF, slides, notes or photos your class uses. No credit card needed to start.

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

Why build your own free flashcards

A printed deck of free PDF flashcards rarely matches the chapter your professor actually assigned. DeckOwl takes the PDF, slides, notes or photos you already have and builds cards from that exact material. You upload the file, the AI pulls out the key terms and questions, and you review the set before studying.

Cards match your own course readings, not a generic list
Start with no credit card and 3 free generations each month
Review and edit the AI output before you rely on it
Upgrade to Plus when you need PDF or Anki exports

Example intro biology flashcards

What is the difference between mitosis and meiosis?Mitosis produces two identical diploid cells, while meiosis produces four genetically varied haploid cells used for reproduction.

Which organelle produces most of the ATP in aerobic respiration?The mitochondrion, where the electron transport chain and oxidative phosphorylation generate most of the cell's ATP.

What does osmosis describe?The net movement of water across a semipermeable membrane from an area of lower solute concentration to one of higher solute concentration.

What is the role of messenger RNA?It carries a copy of the genetic code from the nucleus to ribosomes, where the code is translated into a protein.

What is the function of the Golgi apparatus?It modifies, sorts and packages proteins and lipids so they can be transported within the cell or secreted from it.

Generate the full set

Works with your own files

Upload a PDF, DOCX, PPTX, plain text notes or a photo of a page. Text recognition reads images too.

Spaced repetition

Cards are scheduled so you review the ones you are about to forget, instead of rereading the whole deck.

Study in the browser

Free accounts can study right away on any device with a browser. No app download is required.

How it works

Upload your material

Add the PDF or slides from your course. The AI pulls out key terms, definitions and questions.

Review the cards

Check the generated set, edit anything that looks off and remove cards you do not need.

Study on a schedule

Practice the deck in the browser and let spaced repetition decide what comes back next.

The free plan includes 3 generations per month and lets you study in the browser. Exports to PDF, DOCX, Anki and CSV are part of the paid Plus plan, so a printed or offline copy requires that tier. Students with a school email get 40% off.

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Frequently asked questions

How many flashcards should I make for an intro biology exam?

Start with one card per key term, definition or process in each chapter, then add cards for anything you missed on practice questions. Most students find a focused set of 50 to 150 cards easier to review daily than one huge deck.

Is it better to write my own flashcards or generate them from notes?

Writing cards forces you to think about the material, so combine both approaches. Generate a first draft from your notes, then rewrite any card that feels vague or too easy.

Can I download my free flashcards as a PDF?

The free plan lets you study in the browser but does not include exports. PDF, DOCX, Anki and CSV exports are available on the Plus plan at $39 per year or $7.99 per month.

How many generations do I get on the free plan?

The free plan includes 3 generations per month. Plus gives unlimited generations, and Pro adds a stronger AI model and bulk upload.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.