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Convert notes to flashcards in one upload, right in your browser

Upload lecture notes, slides, a PDF or a photo of a page. DeckOwl reads the text and builds flashcards you can review with spaced repetition.

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 hand-written flashcards take longer than they should

Typing cards by hand from lecture notes eats the hours you meant to spend studying. A website that converts notes to flashcards reads your file, pulls out key terms and questions, and gives you a deck to review straight away.

Turns PDFs, slides, notes and photos of pages into flashcards
Schedules reviews with spaced repetition so you revisit cards before you forget them
Lets you study in the browser on the free plan with 3 generations per month
Exports to Anki, CSV, PDF and DOCX on Plus, with Pro adding QTI 2.1 and Moodle XML

Example intro biology flashcards (cell structure)

Which organelle produces most of a cell's ATP?The mitochondrion, through cellular respiration, because it is where most ATP is made.

What is the function of ribosomes?They build proteins by translating mRNA into a chain of amino acids.

How do prokaryotic and eukaryotic cells differ?Eukaryotic cells have a membrane-bound nucleus and organelles, while prokaryotic cells do not.

What does the phospholipid bilayer of the cell membrane do?It forms a selectively permeable barrier that controls what enters and leaves the cell.

What is osmosis?The movement of water across a selectively permeable membrane from the side with less solute to the side with more solute.

Generate the full set

Reads your own material

Works with PDF, DOCX, PPTX, plain text and images. Photos of pages are read with text recognition.

Spaced repetition built in

Cards come back at the right intervals, so hard ones show up more often and easy ones less often.

Study in the browser

Review your deck on any device with a browser. The free plan includes 3 generations per month.

How it works

Upload your notes

Drop in a PDF, slide deck, document, text file or a photo of your handwritten page.

Review the generated cards

Check the flashcards DeckOwl creates, edit anything unclear, and remove cards you do not need.

Study on a spaced schedule

Rate each card as you go and let the review intervals adjust to what you remember.

Good cards ask one thing each. Check that every card has a clear front and an accurate back, then cut any that repeat another card or are too vague to test you.

Once the deck exists, short daily reviews with spaced repetition do most of the work. Paid plans add exports to PDF, DOCX, Anki and CSV if you want to study outside the browser.

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Frequently asked questions

How many flashcards should I make from one chapter of biology notes?

Most chapters work well with 20 to 40 cards, each covering one idea. Generate a set, then cut any cards that repeat or are too vague to test you.

What is the best way to review flashcards so I remember them longer?

Review cards at spaced intervals and rate each one honestly so harder cards come back sooner. Short daily sessions tend to work better than one long cram session.

Can I try it before paying?

Yes. The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exports are a paid feature.

Can I export my flashcards to Anki?

Yes, Plus and Pro both include Anki export, and Plus also covers PDF, DOCX and CSV. Students with a school email get 40 percent off.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.