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Get a free quiz from any PDF you upload

Upload a PDF, slides or notes and get multiple-choice, true/false or short answer questions, each with an explanation. Study in your browser for free.

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

Why start with a free quiz generator from PDF

Teachers and students often begin with a free quiz generator from PDF when they already have lecture slides or a textbook chapter and want practice questions without writing them by hand. DeckOwl builds the quiz from your own file, so the questions match the wording and examples you were given.

  • Generate quizzes from PDFs, DOCX, PPTX, notes or photos of pages
  • Get multiple-choice, true/false and short answer questions with explanations
  • Study in the browser on the free plan, with 3 generations per month
  • Upgrade to Plus or Pro when you need exports or unlimited generations
Example Pythagorean theorem quiz questions
A right triangle has legs 3 and 4. What is the hypotenuse?5. Because 3² + 4² = 9 + 16 = 25, and the square root of 25 is 5.
Which side is the hypotenuse in a right triangle?The longest side, opposite the right angle. It is the c in a² + b² = c².
True or false: a² + b² = c² holds for any triangle.False. The theorem only applies to right triangles, where c is the hypotenuse.
A leg is 6 and the hypotenuse is 10. What is the other leg?8. Because 10² − 6² = 100 − 36 = 64, and the square root of 64 is 8.
Do sides 5, 12 and 13 form a right triangle?Yes. Because 5² + 12² = 25 + 144 = 169, which equals 13².
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Reads your own material

Upload PDFs, DOCX, PPTX, plain text or photos of pages. Images are read with text recognition, so the quiz comes from what you actually studied.

Three question types

Multiple-choice, true/false and short answer questions are generated from your content, with an explanation for each answer.

Study in the browser

The free plan includes 3 generations per month and browser study. Exports and spaced repetition are available on paid plans.

How it works

Upload your file

Add a PDF, slide deck, document or photo of your notes. No credit card is needed to start.

Choose a question type

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

Answer and review

Work through the questions in your browser and read the explanation after each one.

A useful quiz tests recall and application, not just recognition. Mix multiple-choice questions with short answer prompts, and read the explanation even when you answer correctly, since it shows the reasoning behind the right choice.

The free plan lets you try the process on real material before deciding whether you need exports or more generations. Exports to PDF, DOCX and Anki are paid features.

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Frequently asked questions

How many questions should a Pythagorean theorem quiz include?

Five to ten questions is usually enough to check whether you can apply a² + b² = c² to right triangles. Mix problems that find the hypotenuse with problems that find a missing leg.

How do I study the Pythagorean theorem effectively?

Practice with right triangles where you solve for each side, then check your answers with the explanation. Redo any question you missed a day later to confirm it has stuck.

Is the quiz generator free to use?

Yes, the free plan includes 3 generations per month and studying in the browser. Exports to PDF, DOCX and Anki require Plus, and QTI and Moodle XML export require Pro.

Can I use photos of my notes instead of a PDF?

Yes, photos of pages are read with text recognition, so you can upload them alongside PDFs, DOCX, PPTX or plain text.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.