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Turn any PDF into flashcards you can move to Anki

Upload your lecture PDF, slides, or notes and DeckOwl writes the flashcards and schedules reviews with spaced repetition. The free plan studies in your browser, and Anki export is part of Plus.

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Free PDF to Anki flashcards, made from your own material

A 30-page photosynthesis chapter can become a deck of cards in a few minutes. Upload the PDF and DeckOwl builds free PDF to Anki flashcards from your own text, with spaced repetition scheduling included. The free plan lets you study in the browser, but exporting to Anki requires Plus.

  • Upload PDFs, slides, notes, or photos of pages
  • Get flashcards with spaced repetition scheduled automatically
  • Export to Anki, PDF, DOCX, or CSV on Plus
  • Start on the free plan with 3 generations per month and no credit card
Example photosynthesis flashcards for biology review
Where do the light-dependent reactions take place?In the thylakoid membranes inside the chloroplast.
What are the two main stages of photosynthesis?The light-dependent reactions and the Calvin cycle, which is also called the light-independent reactions.
What gas does the Calvin cycle fix into sugar?Carbon dioxide, which is fixed into G3P and then built into glucose.
What is released when water is split in photosystem II?Oxygen, along with protons and electrons that feed the electron transport chain.
What is the main product of the Calvin cycle that plants use to build carbohydrates?G3P (glyceraldehyde-3-phosphate), which is used to make glucose and other sugars.
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Built from your own material

Upload a PDF, DOCX, PPTX, plain notes, or a photo of a page. Photos are read with text recognition, so handouts work too.

Spaced repetition included

Cards come back at the intervals your memory needs, so you spend less time rereading and more time recalling.

Anki export on Plus

Plus exports to Anki, PDF, DOCX, and CSV. The free plan keeps you in the browser with 3 generations per month.

How it works

Upload your PDF

Add a chapter, lecture deck, or set of notes. No credit card is needed to start.

Review the generated cards

Edit, delete, or add cards so each one covers a single fact you need to recall.

Study or export

Study in the browser on the free plan, or upgrade to Plus and export your deck to Anki.

Uploads can be PDF, DOCX, PPTX, plain text notes, or photos of printed pages. Each generation on the free plan counts toward your 3 per month, so spend them on the chapters you most need to memorize.

Plus is $99.90/year or $9.99/month and adds unlimited generations plus PDF, DOCX, Anki, and CSV export. Students get 40% off with a school email address.

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Frequently asked questions

How many flashcards should I make from one photosynthesis chapter?

Keep one card per distinct fact, such as the location of each stage or the inputs and outputs of each reaction. Cut duplicates so your daily reviews stay manageable.

What makes a good photosynthesis flashcard?

Put one idea on the front, such as where the Calvin cycle takes place. Keep the back to a short, specific answer like the stroma of the chloroplast, since short answers are easier to recall than paragraphs.

Can I export to Anki for free?

Not on the free plan, which lets you study in the browser with 3 generations per month. Anki export is included with Plus at $99.90/year or $9.99/month, and students get 40% off with a school email.

Does DeckOwl work with photos of printed pages?

Yes, photos of pages are read with text recognition, so you can generate cards from a photographed handout. Check the text if the photo is blurry.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.