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Study with a simple flashcard app built from your own notes

Upload a PDF, slides, notes or a photo of a page and get flashcards you can review in minutes. Spaced repetition brings back the cards you miss.

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

Why a simple flashcard app beats a complicated system

Most students do not need a complicated system to start studying. A simple flashcard app works best when it takes the material you already have, such as lecture slides or a chapter PDF, and turns it into cards without extra setup.

Upload PDFs, slides, notes or photos of pages in one place.
Review cards in the browser on the free plan, with no credit card needed.
Let spaced repetition decide which cards to review each day.
Upgrade to Plus when you want exports to PDF, DOCX, Anki or CSV.

Example intro biology flashcards

What organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration.

What is the function of ribosomes?They synthesize proteins by translating mRNA.

What is osmosis?The movement of water across a semipermeable membrane from lower solute concentration to higher solute concentration.

What is the difference between mitosis and meiosis?Mitosis produces two identical diploid cells, while meiosis produces four genetically varied haploid cells.

What does homeostasis mean?Maintaining a stable internal environment despite changes outside the body.

Generate the full set

Works with what you already have

Upload PDF, DOCX, PPTX, plain text or photos of pages. Text recognition reads the material so you do not retype anything.

Spaced repetition built in

Cards you find hard come back sooner, and cards you know fade into longer gaps between reviews.

Study in the browser

Start on the free plan with no credit card and review your cards on any device with a browser.

How it works

Upload your material

Add a PDF, slide deck, document, text file or image of your notes.

Review the generated cards

Check the flashcards DeckOwl creates and edit anything that needs fixing.

Study with spaced repetition

Go through your deck daily and let the schedule decide which cards need another look.

Making cards by hand is slow, and the cards often reflect only what you thought was important at the time. Generating them from your own sources keeps the deck tied to what your course actually covers, and you can still edit any card that is wrong or unclear.

Spaced repetition does the scheduling for you. Cards you miss come back more often, and cards you know are shown less, so short daily sessions stay focused on the material that needs them.

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AI Flashcard Maker for Any Study Material

Turn PDFs, slides, notes and photos into spaced repetition flashcards. Free to start.

AI Flashcard Study App

Turn your PDFs, slides and notes into flashcards with spaced repetition.

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Build a custom alphabet flashcard set from a photo or PDF of your letter lessons.

Frequently asked questions

How many flashcards should I make per study session?

Most people do better with short sessions than with one long pass through a huge deck. Spaced repetition brings back the cards you miss more often, so the session stays focused.

What is the best way to study flashcards?

Try to answer each card from memory before you flip it, and be honest about how hard it felt. Review the cards you missed more often than the ones you already know.

Is the free plan enough to start?

The free plan includes 3 generations per month and studying in the browser. Exports to PDF, DOCX, Anki and CSV are part of the paid Plus plan.

Can I get a discount as a student?

Students get 40% off with a school email. No credit card is needed to start.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.