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Get AI-based flashcards from your own notes and PDFs

Upload a lecture PDF, a slide deck, typed notes or a photo of a textbook page. DeckOwl drafts the flashcards and schedules reviews so you see each card right before you would forget it.

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

How AI-based flashcards fit into studying

Most students already have the material they need, buried in a 40-slide deck or a long chapter PDF. AI-based flashcards turn that material into question-and-answer pairs in a few minutes, so the time you would have spent writing cards goes into actually learning them.

Upload PDFs, slides, notes or photos and get a first draft of cards
Edit or delete any card before you start studying
Review on a spaced schedule that adjusts to what you recall
Export to Anki, PDF, DOCX or CSV on the Plus plan

Example intro biology flashcards (general science topic)

What organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.

What is the function of ribosomes?They build proteins by translating mRNA into chains of amino acids.

How do mitosis and meiosis differ?Mitosis produces two identical diploid cells; meiosis produces four genetically varied haploid gametes.

Which molecule carries genetic information from DNA to the ribosome?Messenger RNA (mRNA), made during transcription.

What is osmosis?The movement of water across a semipermeable membrane from low solute concentration to high solute concentration.

Generate the full set

Built from your material

Cards come from the files you upload, so they match your course instead of a generic question bank.

Spaced repetition included

Cards you know come back less often, and cards you miss come back sooner, so review time goes to what needs it.

Works with messy inputs

Accepts PDF, DOCX, PPTX, plain text and images. Photos of pages are read with text recognition.

How it works

Upload your notes

Add a PDF, slide deck, Word file, pasted text or photos of pages.

Review the draft cards

Read through the AI-generated cards, edit wording and remove any that repeat each other.

Study on a schedule

Work through due cards in the browser and let spaced repetition set the next review date.

The quality of the result depends on the source. Clear headings, defined terms and labeled diagrams give the AI more to work with, and you should always check the draft before studying it. Editing a card takes seconds, and removing the ones that repeat each other keeps your review queue short.

Once the cards exist, spaced repetition does the scheduling. Each review updates when the card should come back, which makes short daily sessions more effective than cramming the night before an exam.

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Frequently asked questions

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

Focus on one card per key term, process or fact rather than copying whole paragraphs. Trim any cards that repeat each other so your review queue stays manageable.

What makes a good flashcard for studying biology?

A good card asks one question with one clear answer, such as a term and its function. Avoid backs that pack several unrelated facts together, because those are hard to recall in one go.

Is the free plan enough to try AI-based flashcards?

The free plan includes 3 generations per month and studying in the browser. Exports to PDF, DOCX, Anki and CSV require a paid plan.

Can I export my flashcards to Anki?

Yes, the Plus and Pro plans include export to Anki along with PDF, DOCX and CSV. The free plan is limited to studying inside the browser.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.