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Turn your class notes into a quiz with AI

DeckOwl doesn't join live classroom games. It builds practice quizzes from the notes, slides and PDFs you already have, with an explanation for every answer.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates quizzes in seconds

Practice quizzes from your own class material

If you landed here trying to join a teacher's Quizizz session, DeckOwl can't connect you to a live game your class is running. What it can do is turn the notes, slides or PDFs your teacher gave you into a practice quiz you can work through on your own, at your own pace.

Free plan: 3 generations per month, studied in the browser, no exports
Plus at $39/year or $7.99/month: unlimited generations, PDF, DOCX, Anki and CSV export, spaced repetition
Pro at $14.99/month: stronger AI model, bulk upload, QTI 2.1 and Moodle XML export
Students get 40% off with a school email, and no credit card is needed to start

Example high school biology quiz questions

What organelle produces most of a cell's ATP?Mitochondria. They run cellular respiration, which makes most of the ATP a cell uses.

True or false: Water moves by osmosis toward the side with the higher solute concentration.True. Water moves toward the side with more dissolved solute, which is why cells in salt water lose water.

Which molecule carries amino acids to the ribosome during translation?tRNA (transfer RNA). Each tRNA matches a codon on mRNA through its anticodon and delivers the correct amino acid.

What is the net ATP yield of glycolysis per glucose molecule?2 ATP. The cell spends 2 ATP in the energy investment phase and makes 4, so the net gain is 2.

Why does the cell membrane form a phospholipid bilayer?Phospholipids have hydrophilic heads and hydrophobic tails, so they arrange into a barrier that keeps most water-soluble molecules from passing freely.

Generate the full set

Multiple choice, true/false and short answer

Each quiz mixes question types so you practice recognizing answers and writing them from memory.

Explanations for every answer

When you miss a question, you see why the correct answer is right, not just the letter.

Works from your own material

Upload a PDF, DOCX, PPTX, plain text file or a photo of a page, and the quiz is built from that content.

How it works

Upload your notes or slides

Add the file your teacher shared, or photograph a page from a textbook or handout.

Choose a question type

Pick multiple choice, true/false or short answer, or combine them in one quiz.

Practice and review

Work through the quiz in your browser and read the explanation after each answer.

Upload the material, pick a question type and get multiple choice, true/false or short answer questions, each with an explanation. The free plan includes 3 generations a month with browser study. Plus adds unlimited generations and PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML export.

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DeckOwl doesn't host live games. It turns your notes or slides into a quiz you can study.

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Frequently asked questions

How many questions should a practice quiz have before a test?

Most students find that 10 to 20 questions covering one chapter or unit is enough to spot gaps. Retake the quiz after reviewing the explanations for anything you missed.

What is the best way to study for a quiz from class notes?

Answer the questions from memory first, then check your answers and reread the parts of your notes behind any misses. Repeat the missed questions the next day to make the material stick.

Can I export my quiz to another tool?

Exports are paid features. Plus includes PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML for learning management systems.

Does DeckOwl have a free plan?

Yes. The free plan includes 3 generations per month and browser study, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.