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Turn your class notes into flashcards with AI

Upload lecture notes, slides, PDFs or photos of a textbook page. DeckOwl builds flashcards from your own material and schedules reviews 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

How a flashcard maker based on notes fits into studying

Most students already have the material they need in a lecture PDF, a slide deck or a page of handwritten notes. A flashcard maker based on notes turns that existing material into cards so you are not starting from a blank page before each exam.

Upload PDFs, slides, Word files, text notes or photos of pages
Review generated cards and edit any that miss your course content
Study with spaced repetition so weak cards come back more often
Export to Anki or CSV on a paid plan when you want cards elsewhere

Example intro biology flashcards from lecture notes

What organelle is the site of aerobic respiration and ATP production?The mitochondrion, because it carries out the citric acid cycle and oxidative phosphorylation.

What is the function of the rough endoplasmic reticulum?It has ribosomes on its surface and helps synthesize and fold proteins destined for secretion or membranes.

What structure controls which substances enter and leave the cell?The plasma membrane, a phospholipid bilayer with embedded proteins that regulate transport.

What is the difference between prokaryotic and eukaryotic cells?Prokaryotes lack a membrane-bound nucleus and most organelles, while eukaryotes have a nucleus and membrane-bound organelles.

What is the role of the Golgi apparatus?It modifies, sorts and packages proteins and lipids into vesicles for transport to their destinations.

Generate the full set

Works from your own material

Send in PDF, DOCX, PPTX, plain text or photos of handwritten pages. Text recognition reads images, so your notes do not need to be typed first.

Spaced repetition built in

Cards come back at the intervals that help you remember, so you spend less time rereading and more time recalling.

Quizzes and mind maps too

The same notes can become multiple choice, true/false and short answer questions with explanations, or a mind map of the main ideas.

How it works

Upload your notes

Add a PDF, slide deck, document, text file or photo. No credit card is needed to start.

Review the generated cards

Check the flashcards against your lecture and edit anything that does not match what your instructor taught.

Study on a schedule

Practice in the browser and let spaced repetition decide which cards you see next.

Cards made from your own sources match the terms your instructor used and the examples from class. That matters because a generic set of cards can drift away from what will appear on the test.

Free accounts get 3 generations per month and can study in the browser. Paid plans add unlimited generations and exports to PDF, DOCX, Anki and CSV.

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Frequently asked questions

How many flashcards should I make from one set of lecture notes?

Aim for one card per distinct term, definition, process or cause and effect relationship. A dense lecture often produces 20 to 40 useful cards, and it is better to keep only the ones you can explain from memory.

What is the best way to study flashcards made from notes?

Review new cards daily in short sessions and say the answer aloud before flipping the card. Rate each card honestly so spaced repetition can schedule the harder ones sooner.

Can I export my flashcards?

Free accounts study in the browser without exports. Plus and Pro plans include exports, with Plus covering PDF, DOCX, Anki and CSV.

Does DeckOwl work with photos of handwritten notes?

It accepts images and reads text from photos of pages using text recognition. Clear, well lit photos give the most accurate cards, and you should still check them against your original notes.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.