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A flashcard app that turns your own notes into study cards

DeckOwl reads PDFs, DOCX, PPTX, text notes and photos of pages, then makes flashcards you can study in the browser with spaced repetition.

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Free · First set needs no signup · Creates flashcards in seconds

Why a flashcard app works better with your own material

Most flashcard apps ship with decks someone else wrote, so the facts may not match your course. A flashcard app that starts from your own lecture slides or textbook chapter keeps the terms, wording and emphasis your instructor uses.

  • Upload PDF, DOCX, PPTX, plain text or images
  • Spaced repetition schedules each review
  • Study in the browser on the free plan
  • Export to Anki or CSV on Plus
Example plate tectonics flashcards
What is a tectonic plate?A large, rigid slab of the lithosphere that moves over the softer asthenosphere beneath it.
What happens at a divergent boundary?Plates move apart and new crust forms, as at mid-ocean ridges.
What is subduction?The process where a denser oceanic plate sinks beneath another plate and back into the mantle.
What type of boundary formed the Himalayas?A continent-continent convergent boundary, where India collided with Eurasia.
What evidence supported continental drift before plate tectonics was accepted?Matching coastlines, matching rock formations across oceans, and fossils such as Mesosaurus found on both South America and Africa.
Generate the full set

Works from your files

Upload PDFs, DOCX, PPTX, plain text or photos of pages. Images are read with text recognition.

Spaced repetition built in

Cards come back at growing intervals so you review the ones you are about to forget.

Study in the browser or export

The free plan studies in the browser. Plus adds PDF, DOCX, Anki and CSV export.

How it works

Upload your material

Add a PDF, slide deck, Word file, notes or a photo of a page.

Generate the cards

The AI drafts flashcards from the text. Review them before you start studying.

Study on a schedule

Spaced repetition brings each card back as your recall improves.

Spaced repetition handles the scheduling. Each card is shown again at a longer interval as you recall it, so your time goes to the cards you are close to forgetting instead of re-reading the whole deck.

If you study on both a laptop and a phone, a browser-based version lets you open the same decks anywhere. Plus adds exports so you can move cards into Anki or a spreadsheet.

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Frequently asked questions

How many flashcards should I make for one chapter?

Focus on one idea per card, such as a key term, a definition or a cause-and-effect link. Split long answers into smaller cards so each one can be recalled quickly.

How often should I review flashcards?

Review a little every day rather than cramming the night before. Spaced repetition spaces out reviews automatically, so cards you know well come back less often.

Can I use a flashcard app on my phone and computer?

Yes, DeckOwl runs in the browser, so you can open your decks on a laptop or a phone.

Do I have to pay to export my flashcards?

Yes, exports are a paid feature. The free plan lets you study in the browser, while Plus adds PDF, DOCX, Anki and CSV export for $7.99 per month or $39 per year.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.