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Flashcards that help with studying, made from your own notes

Retrieval practice and spaced repetition are what make flashcards work. DeckOwl builds them from your PDFs, slides, notes or photos of pages.

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How flashcards support studying

Many students ask whether flashcards help with studying, and the research on memory points to yes, as long as the cards are used the right way. Flashcards work best when you try to answer before you flip the card, because pulling an answer from memory strengthens it more than rereading does.

Answer each card from memory before checking the back, even when you are unsure.
Keep each card to one idea so a missed answer tells you exactly what to review.
Review a little every day rather than one long session the night before an exam.
Mix cards from different topics in one session so you practice telling them apart.

Example study-skills flashcards on memory and recall

What is retrieval practice?Recalling information from memory instead of rereading it, which strengthens later recall.

What is spaced repetition?Reviewing material at increasing intervals so you see it again just before you would forget it.

Why is rereading less effective than self-quizzing?Rereading feels familiar but gives you little practice pulling the answer out, which is what memory needs.

What is the testing effect?Testing yourself on material tends to improve memory more than restudying the same material for the same time.

What is interleaving?Mixing different topics or problem types in one session so you practice telling them apart.

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Built around recall

Each card asks you to pull an answer from memory, which is the practice that strengthens later recall.

Spaced review schedule

Cards you know come back less often and cards you miss come back sooner, so review time goes where it is needed.

Made from your material

Upload a PDF, slide deck, set of notes or a photo of a page and get cards based on what your class actually covers.

How it works

Upload your material

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

Review the generated cards

Skim the cards, keep the ones that matter and edit any that need a clearer question or answer.

Study on a spaced schedule

Work through the deck in the browser and let the review interval adjust to what you remember.

Spaced repetition adds the second half of the benefit. Reviewing a card again just before you would forget it takes less total time than cramming, and it keeps material available for a test weeks later. DeckOwl generates cards from your own class material so the deck matches what you need to learn.

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Frequently asked questions

How many flashcards should I make for one exam?

Start with the key terms, definitions and concepts your instructor stressed, and keep each card to one idea. A focused deck you review daily usually works better than a huge set you rarely open.

Is it better to write flashcards by hand or generate them?

Writing cards by hand can deepen processing, while generating them from your own material saves time for review. Either way, the benefit comes from quizzing yourself and spacing your reviews.

Is spaced repetition included in the free plan?

Spaced repetition is part of the Plus plan, which costs $39 per year or $7.99 per month. The free plan gives you 3 generations per month and lets you study in the browser.

Can I export my flashcards to Anki?

Yes, the Plus plan includes export to Anki, along with PDF, DOCX and CSV. The free plan lets you study in the browser but does not include exports.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.