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Turn your notes into a quiz with random questions

Upload a PDF, slide deck, DOCX file or photo of a page. DeckOwl writes multiple-choice, true/false and short-answer questions with explanations, so you can practice from your own material.

Create quizzes nowFree · No credit card required

Free account · 5 sets a week · Creates quizzes in seconds

Why a **random-question quiz maker** beats rereading notes

A random-question quiz maker helps when you have a long set of notes and no time to write practice questions by hand. Rereading tends to feel productive while teaching you little, because you recognize material without having to recall it. Questions force retrieval, and explanations show you why an answer is right.

  • Turns lecture slides and textbook chapters into practice questions
  • Explains each correct answer so missed questions become lessons
  • Accepts photos of printed pages through text recognition
  • Lets you study in the browser on the free plan with five generations a week
Example intro biology quiz questions on cell structure
Which organelle produces most of a cell's ATP?Mitochondria. They carry out cellular respiration, which converts glucose and oxygen into ATP.
What is the main function of ribosomes?Protein synthesis. Ribosomes read mRNA and link amino acids into polypeptide chains.
True or false: plant cell walls are made mainly of cellulose.True. Cellulose gives plant cell walls their rigidity and structural support.
Which structure controls what enters and leaves the cell?The plasma membrane. It is a phospholipid bilayer with embedded proteins that regulate transport.
Where do the light-dependent reactions of photosynthesis take place?The thylakoid membranes inside chloroplasts. Light energy drives production of ATP and NADPH there.
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Three question types

Multiple choice, true/false and short-answer questions, each with an explanation of the correct answer.

Built from your material

Works with PDF, DOCX, PPTX, plain text notes and photos of pages, which are read with text recognition.

Export on paid plans

Plus exports PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your notes

Add a file, paste text or upload a photo of a page from your textbook or handout.

Generate the quiz

DeckOwl creates a set of questions from the content, with explanations for each answer.

Practice and review

Answer in the browser, read the explanations for missed questions and generate again when you need more.

Start with the topics you find hardest and keep sessions short. Missed questions are the most useful ones, so review those first and then try the set again later. Because DeckOwl builds questions from your own files, the quiz matches what your instructor actually covers.

Explore related topics

Frequently asked questions

How many practice questions should I answer in one session?

Short sessions of about 10 to 20 questions work well for most students. Spend extra time on the ones you miss, and come back to them within a few days.

How can I check that the quiz questions are accurate?

Read each explanation and compare it with your textbook or lecture slides. If an answer conflicts with your course material, trust the course material and flag the question.

Can I export my quiz?

Study in the browser is free with five generations a week. Plus ($99.90/year or $9.99/month) adds PDF and DOCX export, and Pro ($14.99/month) adds QTI 2.1 and Moodle XML.

Do I need a credit card to start?

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

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.