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Turn your class notes into flashcards with AI

Upload a PDF, slide deck, text file or photo of a page, and DeckOwl builds flashcards you can review with spaced repetition.

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Free account · 3 sets a month · Creates flashcards in seconds

What the process looks like

Students who already have lecture slides and textbook chapters often want to skip retyping them by hand. Making flashcards with AI starts from those files: you upload the material and the tool pulls out terms, definitions and key facts to turn into cards.

  • Start from your own PDFs, slides, notes or page photos rather than a blank card deck.
  • Keep each upload focused on one unit so the flashcards stay specific to what you are learning.
  • Edit or delete cards that are unclear before your first review session.
  • Review daily in short sessions; spaced repetition depends on steady practice more than long cramming.
Example biology cell structure flashcards
Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration, which converts glucose and oxygen into usable energy.
What is the function of the rough endoplasmic reticulum?Its ribosomes help fold and modify proteins that are destined for secretion or for membranes.
How do prokaryotic and eukaryotic cells differ?Eukaryotic cells have a membrane-bound nucleus and organelles; prokaryotic cells lack both.
What does the Golgi apparatus do?It modifies, sorts and packages proteins and lipids into vesicles for transport within or out of the cell.
Which structure controls what enters and leaves the cell?The plasma membrane, a phospholipid bilayer with embedded proteins that regulate transport.
Generate the full set

Works from your own material

Upload PDFs, DOCX files, PPTX slides, plain text notes or photos of pages. Images are read with text recognition.

Flashcards with spaced repetition

Cards come back at the right intervals, so you spend time on what you are about to forget instead of rereading everything.

Export when you need it

Study in the browser on the free plan. Plus adds PDF, DOCX, Anki and CSV export for printing or moving cards elsewhere.

How it works

Upload your material

Add a PDF, slide deck, document, text file or photo of a page from your class or textbook.

Review the generated cards

Check the flashcards DeckOwl creates, edit any that are wrong, and remove the ones you do not need.

Study with spaced repetition

Review each card on the schedule the app sets, marking how well you knew it so the next review lands at the right time.

The useful part comes after the cards exist. Reviewing them on a spaced schedule means each term is shown again just before you would forget it, which tends to work better than rereading the same notes the night before an exam.

Read through the generated cards before you study them. The AI works from your source text, so checking a few against the original slides catches any wording that drifted during generation.

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Frequently asked questions

How many flashcards should I make for a biology exam?

A useful range is one card per key term, definition or process from each lecture, which often means 20 to 60 cards per chapter. Prioritize terms your instructor emphasized and anything you missed on earlier quizzes.

How often should I review flashcards to remember them?

Short daily sessions work better than one long session each week. Spaced repetition handles the timing for you, so you mainly need to rate each card honestly.

Is there a free plan?

Yes, the free plan includes 3 generations per month and lets you study in the browser. Exporting to PDF, DOCX, Anki or CSV is part of the paid Plus plan.

Can I export my flashcards to Anki?

Yes, Anki export is included with Plus, which is $99.90 per year or $9.99 per month. Students can get 40% off with a school email, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.