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Turn your notes into flashcards you can review with AI

DeckOwl reads your PDFs, slides, notes or photos of pages and builds flashcards you can review in spaced intervals, so the cards come back right before you forget them.

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 account · 3 sets a month · Creates flashcards in seconds

How to review with AI flashcards

Reviewing from a long set of lecture slides is slow when you have to write every card yourself. AI flashcards for review let you start from the material you already have, so the time goes into actually recalling answers instead of typing them out.

Upload PDFs, slides, notes or photos and get cards from your own content.
Spaced repetition schedules reviews so weak cards come back more often.
Free plan includes 3 generations per month and browser study.
Plus adds unlimited generations plus PDF, DOCX, Anki and CSV export.

Example intro biology flashcards for review

Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration. It is why it is often called the powerhouse of the cell.

What is the function of the Golgi apparatus?It modifies, sorts and packages proteins and lipids for transport. Proteins from the endoplasmic reticulum are processed here before they are shipped.

What is osmosis?The movement of water across a selectively permeable membrane from low solute concentration to high. It is a special case of diffusion.

Which structure controls what enters and leaves the cell?The plasma membrane. Its phospholipid bilayer is selectively permeable, so it lets some molecules through and blocks others.

What is the role of ribosomes?They synthesize proteins by translating messenger RNA. They can float freely in the cytoplasm or be attached to the rough endoplasmic reticulum.

Generate the full set

Built from your own material

Upload PDF, DOCX, PPTX, plain text or images. The cards come from your lecture slides and readings, not a generic deck.

Spaced repetition

Cards you miss return sooner and cards you know come back less often, so review time goes to the material you are actually losing.

Quizzes and mind maps too

If flashcards are not enough, generate multiple choice, true/false or short answer quizzes with explanations, or a mind map of the same content.

How it works

Upload your material

Drop in a PDF, slide deck, Word file, text notes or a photo of a page. Images are read with text recognition.

Generate your flashcards

DeckOwl turns the content into question and answer cards. Review them and remove any you do not need.

Review on a schedule

Study in the browser. Spaced repetition brings each card back at the right time, and Plus adds export to Anki or CSV.

The format matters as much as the speed. Short, specific prompts work better than whole paragraphs on a card, and spaced repetition does the scheduling so you see weak cards more often than the ones you already know. Check the generated cards against your source once, since any tool can misread a diagram or a table.

A simple routine is to generate cards right after each class, review new cards for five to ten minutes a day, and run a quiz from the same material before an exam to test recall in a different format.

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Frequently asked questions

How many flashcards should I make for intro biology?

Start with one card per distinct term, process or structure in a chapter, which often means 20 to 40 cards. Add more only where you keep missing the same idea, and split long answers into two cards.

How often should I review flashcards for an exam?

Short daily sessions work better than long cramming, and spaced repetition is built for that pattern. Starting a week or more before the exam gives the schedule time to bring back cards you are close to forgetting.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exports are a paid feature.

Can I export my flashcards to Anki?

Yes, Anki export is included in Plus, which costs $99.90/year or $9.99/month. Students with a school email get 40% off.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.