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Turn any PDF, slide deck or note into AI flashcards

Shared decks on Reddit rarely match your syllabus. DeckOwl reads your own files and builds flashcards from them, then schedules reviews with spaced repetition.

Create flashcards nowFree · No credit card required

Free · First set needs no signup · Creates flashcards in seconds

Why your own AI flashcards beat a shared deck

Study threads on Reddit often pass around decks, but AI flashcards made from your own course material fit your exam far better. A deck written for another class may skip the terms your professor emphasizes or use different definitions.

  • Flashcards generated from your own PDFs, slides, notes and images
  • Spaced repetition scheduling that adjusts to what you miss
  • Edit or delete any card before you start studying
  • Export to Anki or CSV on the Plus plan
Example biology flashcards (study topic used for samples)
MitochondriaOrganelles where cellular respiration takes place and most ATP is produced.
OsmosisMovement of water across a semipermeable membrane toward the side with higher solute concentration.
Ribosome functionCarries out protein synthesis by translating mRNA into a chain of amino acids.
Law of segregationEach parent passes one allele per gene to offspring, so the two alleles separate when gametes form.
EnzymeA biological catalyst, usually a protein, that lowers the activation energy of a reaction.
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Built from your material

Upload PDFs, DOCX, PPTX, plain text notes or photos of pages. The flashcards come from what your class actually covers.

Spaced repetition review

Cards you miss come back sooner, and cards you know move further out, so study time goes to the material you are weakest on.

Study where you want

Study in the browser on the free plan. Plus adds PDF, DOCX, Anki and CSV export for studying outside the site.

How it works

Upload your files

Add a PDF, slides, notes or a photo of a textbook page. Text recognition reads the images.

Review the generated cards

Check the front and back of each flashcard, edit anything unclear, and remove cards you do not need.

Study on a schedule

Start a review session and let spaced repetition bring back the cards you are most likely to forget.

Upload the lecture slides, chapter PDF or notes you already have, and DeckOwl writes question-and-answer cards from that text. You can then review them with spaced repetition, so the cards you struggle with come back more often than the ones you already know.

If you want to start with no commitment, the free plan includes 3 generations per month and browser study. Plus unlocks unlimited generations and exports for Anki, CSV, PDF and DOCX.

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Frequently asked questions

How many flashcards should I make from one biology chapter?

Aim for one card per key term, process or concept in the chapter rather than a fixed count. Cards that test a single fact are easier to recall than cards that pack in a paragraph.

What makes a flashcard good for studying?

Each card should ask one clear question with an answer you can say from memory. If the back needs several sentences, split it into two cards so each review stays quick.

Can I export my flashcards to Anki?

Yes, Anki export is included in the Plus plan, which costs $39 per year or $7.99 per month. Students can get 40% off with a school email.

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, but it does not include exports. No credit card is needed to start.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.