Upload a PDF and get a quiz with explanations in minutes
Upload lecture slides, notes or a textbook chapter and get multiple-choice, true/false or short-answer questions with explanations you can check against the source.
How to turn a PDF into a useful quiz
Lecture PDFs pile up faster than anyone can review them. To upload a PDF to make a quiz means you can turn a dense chapter into questions the same day you receive it, while the material is still fresh.
- Upload PDFs, slides, notes or photos of pages
- Get multiple-choice, true/false and short-answer questions
- Read an explanation for every answer, right or wrong
- Export to PDF, DOCX, Anki, CSV, QTI 2.1 or Moodle XML on paid plans
Works with your files
Upload PDF, DOCX, PPTX, plain text or photos of pages. Photos are read with text recognition, so a snapped page can become quiz questions.
Three question types
Choose multiple-choice, true/false or short-answer questions, or mix them in one quiz to test recall and understanding.
Explanations for every answer
Each question comes with an explanation, so a wrong answer shows you the reasoning behind the correct one.
How it works
Upload your material
Add a PDF, slide deck or set of notes from the chapter or lecture you are studying.
Pick the question types
Select multiple-choice, true/false or short-answer, then generate the quiz.
Take the quiz and review
Answer in the browser, read the explanations, and retake the questions you missed.
A good quiz tests the ideas in the document, not just the words on the page. DeckOwl reads your upload and writes questions about the main concepts, then pairs each one with an explanation that points back to the reasoning, so you learn why an answer is right.
Quizzes work best when you use them to find gaps. Miss a question, read its explanation, and come back to it in a few days. Repeating the misses is what moves the material into long-term memory.
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Frequently asked questions
How many questions should a quiz on one chapter have?
Ten to fifteen questions is a practical size for one chapter, enough to cover the main ideas without repeating the same concept. Start smaller and add more if you want broader coverage.
What is the best way to use quiz results when studying biology?
Retake the questions you missed after reading the explanation, and spread those retakes over several days instead of one sitting. Repetition spaced over time helps the ideas stick.
Can I export the quiz I make?
Export to PDF, DOCX, Anki and CSV is part of the Plus plan, and QTI 2.1 and Moodle XML export is part of Pro. The free plan lets you study the quiz in the browser without exports.
Does it work with photos of textbook pages?
Yes, photos of pages are read with text recognition, so a snapped page can become quiz questions. Check the recognized text against the page before you study from it.
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