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Get an AI quiz based on your notes, with explanations for every answer

Upload the PDFs, slides or notes you already study from. DeckOwl writes questions from that material, with an explanation for each answer.

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

How the AI quiz maker works from your notes

Quizzes are most useful when they test what your class actually covered, and an AI quiz maker based on notes starts from that material instead of generic textbook content. You upload the file you already study from, and the questions come from its wording and key terms.

  • Multiple-choice, true/false and short answer question types
  • Explanations on every question
  • Works with PDF, DOCX, PPTX, text and photos of pages
  • Exports to PDF and DOCX on Plus, QTI 2.1 and Moodle XML on Pro
Example cell biology quiz questions with explanations
Which organelle is the main site of ATP production in aerobic respiration?The mitochondrion. Its inner membrane hosts the electron transport chain that drives most ATP synthesis.
True or false: plant and animal cells both have a cell wall.False. Animal cells have only a plasma membrane, so they lack the rigid cell wall found in plant cells.
What is the function of the nucleolus?Ribosome assembly. It transcribes rRNA and combines it with proteins to form ribosomal subunits before they are exported to the cytoplasm.
Why does an animal cell swell when placed in pure water?Water enters by osmosis because the solute concentration inside the cell is higher than outside, so water flows in.
Short answer: how does facilitated diffusion differ from simple diffusion?Facilitated diffusion uses membrane proteins to move substances down their concentration gradient, while simple diffusion passes directly through the lipid bilayer.
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Quizzes from your own notes

Upload a PDF, DOCX, PPTX, plain text file or photo of a page, and get questions drawn from that material.

Multiple-choice, true/false and short answer

Pick the question types you need. Each question includes an explanation so you learn why the right answer is right.

Export when you need it

Plus exports to PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for learning management systems.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file or a photo of a page.

Choose question types

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

Review and study

Read the explanations, check anything that looks off, and quiz yourself in the browser.

Each question includes an explanation, which matters more than the score. When you miss one, the explanation shows the reasoning, so your next attempt tests understanding rather than memory of a letter choice.

Free accounts get 3 generations per month and can study in the browser. Plus and Pro remove the monthly cap and add exports.

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Frequently asked questions

How do I study from lecture notes with practice questions?

Answer a set of questions without looking at your notes, then read the explanations for anything you missed. Repeat the missed ones in a later session so they come back before you forget them.

Does DeckOwl work with photos of printed pages?

Yes. Photos of pages are read with text recognition, so a clear picture of printed notes can be used as the source. Very messy handwriting may be read less accurately.

Is exporting quizzes free?

No. Exports are paid features: PDF and DOCX come with Plus, and QTI 2.1 and Moodle XML come with Pro. The free plan lets you study in the browser.

How many questions should a quiz from notes have?

Start with a set you can finish in one sitting, then increase the count as your exam date gets closer. Short, frequent quizzes usually help more than one long test.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.