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Use an AI flashcard builder on your own PDFs and notes

Upload a textbook chapter, lecture slides, typed notes or photos of a page. DeckOwl drafts question-and-answer cards you can review, and spaced repetition brings back the ones you miss.

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 an AI flashcard builder fits into studying

Turning a long lecture deck into study cards by hand eats an evening that could go to actual review. An AI flashcard builder reads the file for you and drafts question-and-answer pairs you can check and edit before studying.

Upload PDFs, slides, notes or photos of textbook pages
Edit any generated card before it enters your review queue
Review on a spaced schedule that focuses on the cards you miss
Export to Anki or CSV on paid plans

Example Cold War flashcards for a history course

What was the Truman Doctrine (1947)?A U.S. pledge to support countries resisting communism, starting with aid to Greece and Turkey.

What was the Marshall Plan?A 1948 U.S. program of economic aid to help rebuild Western European economies after World War II.

What was the Berlin Blockade?A 1948 to 1949 Soviet blockade of West Berlin's land routes, broken by an Allied airlift of supplies.

What did NATO establish in 1949?A collective defense alliance in which an armed attack on one member is treated as an attack on all.

What was détente?A 1970s easing of U.S.-Soviet tensions, marked by arms control agreements such as SALT I.

Generate the full set

Works with the files you already have

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

Cards scheduled by spaced repetition

Cards you find hard come back sooner, and cards you know well step further out, so study time goes to the gaps.

Study in the browser

Start on the free plan with no credit card. Review cards on any device with a browser and keep your progress in one place.

How it works

Upload your material

Add a PDF, slide deck, document, set of notes or photo of a page from your course.

Review the generated cards

Check the questions and answers, then edit or delete any card before you start studying.

Study with spaced repetition

Work through the day's cards and rate how well you knew each one. The schedule adjusts from there.

The useful part is what happens after the cards exist. Spaced repetition shows each card again just before you would forget it, so a few minutes a day covers more material than rereading the same pages.

Paid plans add unlimited generations, PDF, DOCX, Anki and CSV export, and a stronger AI model for the Pro tier. The free plan gives you three generations a month to test it on your own material.

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Frequently asked questions

How many flashcards should I make for a Cold War unit?

Aim for one card per distinct fact, such as a date, a person, or a cause and effect. Once a card feels trivially easy for weeks, it can be retired from the deck.

What is the best way to study history flashcards?

Review in short sessions and say the answer aloud before flipping the card. Spaced repetition brings back the cards you miss more often, so your weak spots get drilled first.

Can I export the flashcards?

Exports are a paid feature. Plus includes PDF, DOCX, Anki and CSV export, while the free plan lets you study in the browser.

Does it work with photos of textbook pages?

Yes. Photos are read with text recognition, so you can upload pages from a textbook alongside PDFs, slides or notes.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.