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Turn any PDF you upload into flashcards you can study today

Drop in a textbook chapter, lecture slides or class notes. DeckOwl reads the file and writes flashcards you can review on a spaced repetition schedule.

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

From a PDF to a deck you can study tonight

Most people who want to upload a PDF to create flashcards have a chapter, lecture deck or set of notes to learn before an exam. Typing cards by hand from a 40-page reading takes hours, and the results are often uneven. DeckOwl reads the file, picks out the terms and facts worth testing, and writes question-and-answer cards you can check before studying.

Upload PDF, DOCX, PPTX, text or images
Flashcards with spaced repetition scheduling
Edit generated cards before you study
Export to Anki or CSV on the Plus plan

Example biology flashcards from a cell biology chapter

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

What is the function of the ribosome?It synthesizes proteins by translating mRNA into polypeptide chains.

Why is the cell membrane described as selectively permeable?Small nonpolar molecules pass through the phospholipid bilayer easily, while ions and large polar molecules need transport proteins.

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

What does the Golgi apparatus do?It modifies, sorts and packages proteins and lipids for transport within or out of the cell.

Generate the full set

Works with your own files

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

Spaced repetition built in

Cards return at the intervals your memory needs, so study time goes to the material you are most likely to forget.

Quizzes and mind maps too

Generate multiple choice, true/false and short answer quizzes with explanations, or a mind map from the same material.

How it works

Upload your file

Add a PDF, slides, notes or images from your device.

Review the cards

Check the generated flashcards and edit any that need changing before you start.

Study on a schedule

Spaced repetition shows each card again just before you would be likely to forget it.

Cards are only half the job. Spaced repetition decides when you see each one again, so easy cards appear less often and hard ones keep coming back. The Free plan includes 3 generations per month and browser study. Plus adds unlimited generations and exports to PDF, DOCX, Anki and CSV.

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Upload a PDF and make flashcards

Upload a PDF, get flashcards with spaced repetition, and study them in your browser.

Upload Notes to Create Flashcards

Turn PDFs, slides, and photos of notes into flashcards with spaced repetition.

Upload PDF to Flashcards with AI

Upload a PDF, slides or notes and get spaced repetition flashcards in minutes.

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Turn your PDF notes into flashcards with spaced repetition. Free to start.

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Frequently asked questions

How many flashcards should I make from one chapter?

Aim for one card per key term, definition or fact you would be expected to recall, which often means 20 to 50 cards for a typical textbook chapter. Cut cards that repeat the same idea.

What is the best way to study flashcards?

Review a small batch every day rather than cramming, and say or write the answer before flipping the card. Spaced repetition helps by timing reviews to how quickly you forget.

Can I export my flashcards to Anki?

Yes, Anki export is included on the Plus plan, along with PDF, DOCX and CSV export. The Free plan lets you study in the browser without exports.

Is there a free plan to try it?

Yes, the Free plan includes 3 generations per month and browser study, and no credit card is needed to start. Students can get 40% off paid plans with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.