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Get Quizizz-style quizzes for students from your own notes

Upload a PDF, slides or notes and get multiple-choice, true/false or open questions with explanations. Start free with 3 generations a month, no credit card needed.

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Practice quizzes built from what you are studying

Most students who want Quizizz-style quizzes need practice tied to their own class, not a generic question bank. DeckOwl reads your PDF, DOCX, PPTX, notes or photos of a page and writes multiple-choice, true/false or open questions from that material, each with an explanation.

  • Multiple-choice, true/false and open questions
  • Explanations that show why an answer is correct
  • Works from PDFs, slides, notes and photos of pages
  • Free plan includes 3 generations per month
Example intro biology quiz questions
Which organelle produces most of a cell's ATP through cellular respiration?The mitochondrion, because it runs the citric acid cycle and oxidative phosphorylation.
True or false: photosynthesis releases oxygen as a byproduct.True, because water is split during the light-dependent reactions and O2 is released.
How do the daughter cells from mitosis differ from those of meiosis?Mitosis gives two genetically identical diploid cells, while meiosis gives four genetically varied haploid cells.
Why do enzymes lose activity at very high temperatures?Heat denatures the protein and changes its shape, so the active site no longer fits the substrate.
Which base pairs with adenine in DNA?Thymine, because adenine and thymine form two hydrogen bonds.
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Questions from your own material

Quizzes are written from your readings, lecture slides or notes, so practice matches what your class actually covered.

Explanations for every answer

Each multiple-choice, true/false or open question comes with an explanation, so a wrong answer teaches you why.

Works with photos and files

Upload PDF, DOCX, PPTX, plain text or a photo of a page. Text recognition reads images before questions are written.

How it works

Upload your material

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

Choose question types

Pick multiple choice, true/false or open questions, then generate the quiz.

Take the quiz and review

Answer in the browser, read each explanation, and retry the questions you missed.

Ready-made quizzes rarely match a specific syllabus, so the most useful set is the one generated from your own readings. The free plan includes 3 generations a month and study in the browser. Export to PDF and DOCX is part of Plus, and QTI 2.1 and Moodle XML export are part of Pro.

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Frequently asked questions

How many quiz questions should I make from one chapter?

Start with 10 to 15 questions for a chapter, then generate more on the sections you missed. Mixing multiple-choice questions with a few open ones tests recall as well as recognition.

What is the best way to study from quiz results?

Retry the questions you missed before reading the explanation, then review the explanation and try them again a day or two later. Spacing the retries out helps the answers stick.

Can I export my quizzes for a class?

PDF and DOCX export are included with Plus, and QTI 2.1 and Moodle XML export are included with Pro. The free plan lets you study in the browser without exports.

Do I need a credit card to try it?

No. You can start on the free plan without a credit card, and students get 40% off a paid plan with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.