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Turn your class notes into a quiz you can study from

DeckOwl does not host live classes or accept join codes. It builds a practice quiz from the material your teacher gave you, so you can prepare before the session.

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

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What a class code does and what it doesn't

Students who search for a class code quiz usually have a code from a teacher and want into a live session. A join code opens that session, but it does not give you the questions ahead of time, and DeckOwl cannot open it for you.

Free plan: 3 generations per month, studied in the browser
Paid plans unlock exports to PDF, DOCX, Anki and CSV
Pro adds QTI 2.1 and Moodle XML export for school systems
Students get 40% off with a school email, and no credit card is needed to start

Example biology quiz questions with answers

Which organelle produces most of a cell's ATP?The mitochondrion. It carries out aerobic respiration, which yields most of the cell's ATP.

True or false: osmosis moves solute across a membrane.False. Osmosis moves water across a semipermeable membrane toward the side with higher solute concentration.

What is the role of messenger RNA?It carries genetic instructions from DNA in the nucleus to ribosomes, where proteins are assembled.

In a dihybrid cross of two heterozygous parents, what fraction of offspring show both dominant traits?9/16. Independent assortment produces a 9:3:3:1 phenotype ratio, and the 9 part shows both dominant traits.

Why does enzyme activity drop above a certain temperature?High heat denatures the enzyme, changing the shape of its active site so the substrate no longer fits well.

Generate the full set

Quizzes from your own material

Upload PDFs, DOCX files, slides, plain-text notes or photos of pages and get questions based on that content.

Multiple choice, true/false and short answer

Each question includes an explanation so you learn why the right answer is right, not just which letter to pick.

Study in the browser or export

Free accounts study in the browser. Paid plans add exports for PDF, DOCX, Anki and CSV, and Pro adds QTI 2.1 and Moodle XML.

How it works

Upload your notes or slides

Add a PDF, DOCX, PPTX, text file or photo of a page. Text recognition reads the photos.

Pick the question types

Choose multiple choice, true/false or short answer, or mix them to match how your teacher tests.

Practice until the answers stick

Work through the quiz, read each explanation, and go back to the questions you missed.

What DeckOwl can do is turn the same lecture notes, slides or readings into a quiz you take on your own. Practicing with questions built from that material is a good way to be ready when the live quiz starts.

If your teacher shares a PDF or slide deck, upload it and generate questions from it. Check the explanations after each answer so the reasoning is clear before the next class.

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Join Class Quiz? Make Your Own

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Quizizz join code: what to do instead

Join code not working? Turn your own notes into a practice quiz with explanations.

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Gimkit join code: what it is

Why Gimkit join codes come from Gimkit, and how to make your own quiz from notes.

Practice Quizzes Without a Join Code

Turn class notes into quizzes with explanations you can study in your browser.

QR codes for Quizizz quizzes

Draft quiz questions from your notes first, then add the QR code. Free to start.

Quiz Your Own Code Notes with AI

No join code? Build a practice quiz from your notes, with explanations for each answer.

Quizizz Enter Code: Study Quizzes

Why DeckOwl doesn't issue Quizizz join codes, and how to make your own quiz from notes.

Frequently asked questions

How many practice questions should I make for a biology unit?

There is no fixed number. Cover each key term or concept once, then add more questions on the topics you keep missing.

Can I join a live quiz with a class code on DeckOwl?

No. DeckOwl does not host live sessions or accept join codes. It creates practice quizzes from your own material that you study in the browser or export.

Which plans can export my quiz?

Exports are paid features. Plus covers PDF, DOCX, Anki and CSV, and Pro adds QTI 2.1 and Moodle XML.

Do I need a credit card to start?

No. You can begin on the free plan without a credit card.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.