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A flashcards site that turns your own notes into study cards

Upload a PDF, slide deck, set of notes or a photo of a page, and get flashcards you can study in your browser with spaced repetition scheduling built in.

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Free account · 3 sets a month · Creates flashcards in seconds

Why a flashcards site built on your own notes works better

Most students who end up searching for a flashcards site want one thing: cards they did not have to write themselves, based on the exact readings and lectures their course uses. flashcards site tools that start from your own material keep the wording and emphasis of your class, which is what the exam will test.

  • Upload PDF, DOCX, PPTX, plain text or images and get flashcards from them.
  • Study in the browser on the free plan, with 3 generations per month.
  • Spaced repetition schedules reviews based on how well you recalled each card.
  • Export to Anki or CSV with the Plus plan at $99.90/year or $9.99/month.
Example intro biology flashcards
What is the function of mitochondria?They produce most of the cell's ATP through cellular respiration. Muscle cells, which need a lot of energy, contain many of them.
How do mitosis and meiosis differ?Mitosis produces two genetically identical diploid cells, while meiosis produces four haploid gametes with genetic variation.
What does osmosis describe?The net movement of water across a semipermeable membrane toward the side with the higher solute concentration.
Which four nitrogenous bases make up DNA?Adenine, thymine, guanine and cytosine. Adenine pairs with thymine, and guanine pairs with cytosine.
What is the role of ribosomes?They build proteins by translating mRNA into a chain of amino acids. They can float freely in the cytoplasm or attach to rough ER.
Generate the full set

Built from your material

Upload PDFs, DOCX and PPTX files, plain text notes or images. Photos of pages are read with text recognition.

Spaced repetition

Cards you miss come back sooner and cards you know are spaced further apart, so review time goes to what you are forgetting.

Study anywhere

Work through your deck in the browser on any device. Quizzes and mind maps are available from the same upload.

How it works

Upload your material

Add a PDF, slides, notes or photos of a textbook page to start a new set.

Review the cards

Check the generated flashcards, edit anything that is unclear and keep the ones that matter for your exam.

Study on a schedule

Run short daily sessions and let spaced repetition decide which cards come back next.

Writing cards by hand is useful, but it takes time away from actually reviewing. Upload your notes, check the output for errors, and spend your study time on recall. Spaced repetition then shows each card at the moment you are most likely to forget it.

Explore related topics

Frequently asked questions

How many flashcards should I make for intro biology?

Most chapters work well with 20 to 40 cards, each covering one fact so the answer can be recalled in a few seconds. Start with the terms your instructor bolds or repeats in lecture.

How often should I review flashcards to remember them?

Review new cards the same day, then let spaced repetition schedule the rest so harder cards return sooner. Short sessions of 15 to 20 minutes most days work better than one long cram session.

Does DeckOwl include spaced repetition on the free plan?

Spaced repetition is part of the Plus plan, which is $99.90/year or $9.99/month and includes unlimited generations. The free plan gives you 3 generations per month and lets you study in the browser.

Can I export my flashcards to Anki or a CSV file?

Yes, but export is a paid feature. The Plus plan includes PDF, DOCX, Anki and CSV export, and students get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.