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Turn your notes into a quiz with AI in minutes

Upload lecture slides, typed notes or a photo of a textbook page. DeckOwl writes practice questions with explanations so you can test what you actually remember.

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Free · First set needs no signup · Creates quizzes in seconds

How a notes-to-quiz maker helps you study

Most students already have the material they need, spread across lecture slides, typed notes and textbook photos. A notes-to-quiz maker reads that material and turns it into practice questions you can answer before an exam.

  • Turn lecture slides into quizzes without retyping them
  • Check recall with short-answer questions, not only recognition
  • Read an explanation after every miss to close the gap
  • Build a new quiz from the same notes before each exam
Example immune system quiz questions
Which cells produce antibodies?B cells, which become plasma cells, produce antibodies after recognizing an antigen. Antibodies then bind pathogens to mark them for destruction.
True or false: Innate immunity responds more slowly than adaptive immunity.False. Innate immunity responds within minutes to hours, while adaptive immunity takes days to build a targeted response.
What is the main role of helper T cells?Helper T cells coordinate the immune response by releasing cytokines that activate B cells and cytotoxic T cells. Without them, antibody production drops sharply.
Where do T cells mature?In the thymus. T cell precursors mature there and learn to distinguish self antigens from non-self antigens.
What do memory B cells do when they meet their antigen again?They trigger a faster and stronger antibody response. Memory cells persist after an infection, so a second encounter is usually controlled more quickly.
Generate the full set

Multiple-choice, true/false and short answer

Each set mixes question types, so you practice recognition and recall, not just one format.

Explanations for every answer

When you miss a question, the explanation shows why the right answer is correct, so you can fix the gap.

Works from messy source material

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

How it works

Upload your notes

Add a PDF, slide deck, document, text file or photo of a page.

Pick a question type

Choose multiple-choice, true/false or short answer, then generate the quiz.

Practice and review

Answer the questions, read the explanations and retake the parts you missed.

Quizzes are more useful when they test recall instead of rereading. DeckOwl produces multiple-choice, true/false and short-answer questions, and each one comes with an explanation so the quiz teaches as well as checks.

Start with the free plan, which includes 3 generations per month and browser study. Plus adds unlimited generations and PDF or DOCX export.

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Frequently asked questions

How do I study a topic like the immune system using a quiz?

Start by testing the core parts: innate versus adaptive immunity, the roles of B cells and T cells, and how memory develops. Retake the questions you miss over several days rather than cramming them in one sitting.

What is the difference between innate and adaptive immunity?

Innate immunity is the fast, nonspecific first line of defense and responds within minutes to hours. Adaptive immunity is slower to start but targets specific antigens and builds lasting memory.

Can I export my quiz?

Exporting to PDF or DOCX is available on the Plus plan at $39/year or $7.99/month. QTI 2.1 and Moodle XML export are on the Pro plan at $14.99/month.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Students get 40% off with a school email.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.