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Turn your class notes into AnkiDroid flashcards with AI

Upload a PDF, slide deck, set of notes or a photo of a page. DeckOwl builds flashcards from your own material, with spaced repetition scheduling built in.

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Why build your own AnkiDroid flashcards

Most students who search for AnkiDroid flashcards already have the material they need, buried in lecture slides and textbook chapters. The hard part is turning those pages into cards that test recall rather than recognition. DeckOwl reads your own files and drafts flashcards from the concepts it finds.

  • Generates flashcards from PDFs, slides, notes and photos of pages
  • Schedules reviews with spaced repetition so weak cards return sooner
  • Lets you edit or add cards before you start studying
  • Exports to Anki on the Plus plan for continued study
Example biology flashcards for an AnkiDroid deck
What is the main function of mitochondria?They produce most of the cell's ATP through cellular respiration.
How do mitosis and meiosis differ?Mitosis yields two identical diploid cells; meiosis yields four genetically unique haploid cells.
What does DNA polymerase do during replication?It adds nucleotides to a growing strand, building new DNA in the 5' to 3' direction.
What is osmosis?The movement of water across a semipermeable membrane toward the side with higher solute concentration.
Which bases pair in DNA?Adenine pairs with thymine and guanine pairs with cytosine, held by hydrogen bonds.
Generate the full set

Any source file

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

Spaced repetition

Cards come back at the intervals your memory needs, so you review what you are about to forget.

Anki export on Plus

Plus exports your deck to Anki, so you can keep studying it in the Anki ecosystem, including AnkiDroid on Android.

How it works

Upload your material

Add the PDF, slides, notes or page photos from your current unit.

Generate your flashcards

DeckOwl writes question and answer cards from your text. Edit any card you want to change.

Study or export

Study in the browser on the free plan, or export to Anki on Plus and continue on your phone.

Cards built from your own course material match what your instructor will actually test. You can review the drafts, delete weak ones and add your own, so the deck reflects your class rather than a generic topic list.

Spaced repetition handles the scheduling. Cards you miss come back sooner, and cards you know are pushed further out, so a short daily session covers more material than rereading would.

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Frequently asked questions

How many flashcards should I make for one biology unit?

A typical unit works well with 40 to 80 focused cards, one fact or concept per card. Too many cards on one topic makes reviews slow, so split dense chapters into smaller decks.

How often should I review spaced repetition cards?

Aim for a short session every day rather than long sessions once a week. The schedule adjusts each card based on how well you recalled it.

Can I export my flashcards to Anki for free?

Exports are a Plus feature, which includes Anki export along with PDF, DOCX and CSV. The free plan lets you study in the browser and includes 3 generations per month.

What file types can I upload to make flashcards?

You can upload PDF, DOCX, PPTX, plain text or notes, and images. Photos of pages are read with text recognition, so a phone picture of a textbook page works.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.