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Can't join class online? Turn your own notes into an AI quiz

Live quiz codes belong to your teacher's session. DeckOwl creates practice quizzes from the material you already have, with explanations for every answer.

Create quizzes nowFree · No credit card required

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

What DeckOwl can and cannot do for a class quiz

If you are trying to join class with a quiz code, that code belongs to your teacher's session, so DeckOwl cannot open it for you. What it does is turn your own study material into a quiz you can practice on your own time.

Works from notes, slides, and scanned pages
Multiple-choice, true/false, and short-answer questions
Explanations for every answer, right or wrong
Free plan with 3 generations per month and no card needed

Example biology quiz questions (cell biology and genetics)

Which organelle produces most of the cell's ATP?The mitochondrion. It carries out cellular respiration, which converts glucose energy into ATP.

True or false: DNA replication is semiconservative.True. Each new double helix keeps one original strand and one newly built strand.

What does the enzyme helicase do during DNA replication?It unwinds the double helix at the replication fork so the copying enzymes can read each strand.

In which phase of mitosis do sister chromatids separate?Anaphase. Spindle fibers pull the sister chromatids toward opposite poles of the cell.

Why do plant cells have a rigid cell wall while animal cells do not?The wall gives plants structural support and prevents bursting in water, which substitutes for a skeleton.

Generate the full set

Multiple choice, true/false, short answer

Pick the question types you need and get each one with a clear explanation of the correct answer.

Built from your own material

Upload PDFs, DOCX, PPTX, plain-text notes, or photos of pages read with text recognition.

Study in the browser

Take the quiz right away on the free plan, with three generations per month and no credit card needed to start.

How it works

Upload your notes or slides

Add a PDF, DOCX, PPTX, text file, or a photo of a page.

Choose question types

Select multiple choice, true/false, or short answer, and how many questions you want.

Study and review explanations

Work through the quiz, then read the explanation for every question you missed.

Upload a PDF, DOCX, PPTX, plain-text notes, or photos of pages, and DeckOwl writes multiple-choice, true/false, or short answer questions with explanations. The free plan includes 3 generations per month and browser study. Plus, at $39/year or $7.99/month, adds unlimited generations and PDF, DOCX, Anki, and CSV export. Pro, at $14.99/month, adds QTI 2.1 and Moodle XML export for teachers who load quizzes into a learning system.

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Frequently asked questions

How many questions should a practice quiz have for a unit test?

Many students start with 10 to 20 questions per unit and adjust after the first attempt. Shorter sets are easier to review thoroughly after each session.

What is the best way to study a biology quiz?

Retake the questions you missed after a day, read the explanation for each wrong answer, and move on only once you can answer the set without notes.

Can DeckOwl join a live class quiz session?

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

Do exports cost extra?

Yes. PDF, DOCX, Anki, and CSV export require the Plus plan at $39/year or $7.99/month, and QTI 2.1 and Moodle XML export require Pro at $14.99/month.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.