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Convert any PDF into flashcards with AI in one upload

Upload a PDF, slides, notes or a photo of a page. DeckOwl reads the text and builds flashcards you can review with spaced repetition.

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 a PDF-to-flashcards website saves study time

Reading a 40-page chapter and then making cards by hand can take an evening before you have studied anything. A website that converts PDF to flashcards handles the first draft, so you can spend your time checking the cards and learning them.

Upload PDFs, slides, notes or photos of pages
Flashcards use spaced repetition to schedule reviews
Quizzes include explanations for each answer
Free plan includes 3 generations per month and browser study

Example cell biology flashcards (organelles)

What is the function of the mitochondrion?It produces most of the cell's ATP through cellular respiration.

What does the nucleus contain?DNA organized into chromosomes, plus the nucleolus, where ribosomal RNA is made.

Which organelle modifies, sorts and packages proteins?The Golgi apparatus, which packages proteins into vesicles for transport.

What is the role of ribosomes?They synthesize proteins by translating mRNA into a chain of amino acids.

How does the rough ER differ from the smooth ER?The rough ER has ribosomes on its surface and helps fold and process proteins, while the smooth ER lacks ribosomes.

Generate the full set

Works with your own files

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

Spaced repetition built in

Cards you find hard come back sooner, so study time goes to the material you are most likely to forget.

Quizzes and mind maps too

Turn the same material into multiple choice, true/false or short answer quizzes, or a mind map of the main ideas.

How it works

Upload your material

Add a PDF, slide deck, set of notes or a photo of a page. No credit card is needed to start.

Generate your flashcards

DeckOwl creates question and answer cards from the text. Remove or edit any card that is off.

Study in the browser

Review cards right away. Export to PDF, DOCX, Anki or CSV on a paid plan.

The best results come from cards that test one idea each. Review your generated set, cut anything vague, and add cards for terms your instructor stressed in class. Short daily sessions with spaced repetition work better than one long cram.

Because the tool reads your own files, the cards match the course you are taking. Upload the same chapter your class uses and the terms will line up with your reading.

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Frequently asked questions

How many flashcards should I make for a cell biology unit?

Aim for one card per key term or concept, which is usually 20 to 40 for a single chapter. Start with the terms your instructor emphasized and add cards as new ideas come up.

What is the best way to study flashcards?

Review cards in short daily sessions and rate how hard each one felt, so spaced repetition brings weak cards back sooner. Say the answer out loud before you flip the card to check yourself.

Can I export the flashcards to Anki?

Yes, but export to Anki, PDF, DOCX and CSV is part of the paid Plus plan. The free plan lets you study in the browser with 3 generations per month.

Does it work with photos of printed pages?

Yes, images are read with text recognition, so a clear photo of a printed page can be turned into flashcards.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.