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A quiz maker that turns your PDFs and notes into questions

Upload your slides, PDFs, or notes and get practice questions with explanations, so you test what you know instead of rereading.

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

How a quiz maker helps you study

Rereading lecture slides often feels productive, but recognizing a page is not the same as being able to answer a question about it. A quiz maker fixes that by turning your own material into questions you have to answer from memory. DeckOwl reads PDFs, DOCX and PPTX files, plain notes, and photos of pages, then writes multiple-choice, true/false, and short answer questions.

  • Multiple-choice, true/false, and short answer formats
  • An explanation attached to every question
  • Free plan with 3 generations per month and browser study
  • Paid exports, with QTI 2.1 and Moodle XML on the Pro plan
Example biology quiz questions (sample topic)
Which organelle produces most of a cell's ATP?The mitochondrion, because oxidative phosphorylation in its inner membrane generates most of the cell's ATP.
In which phase of mitosis do sister chromatids separate?Anaphase, because the cohesin holding sister chromatids together is cleaved and they move toward opposite poles.
True or false: DNA replication is semiconservative.True, because each new double helix keeps one original strand and one newly synthesized strand.
What does RNA polymerase II produce in eukaryotic cells?Messenger RNA, because it transcribes protein-coding genes from DNA into mRNA that is then translated.
In a dihybrid cross of AaBb by AaBb, what fraction of offspring show both dominant traits?9/16, because each gene gives a 3/4 dominant phenotype and the two genes assort independently.
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Three question formats

Get multiple-choice, true/false, and short answer questions generated from your own material.

Explanations for every answer

See why the correct answer is right, so a wrong pick becomes a lesson rather than a guess.

Export when you need it

Paid plans export to PDF and DOCX, and the Pro plan adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your material

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

Pick your question types

Choose multiple-choice, true/false, or short answer, and generate a quiz from your own content.

Study and check the explanations

Answer the questions, read the explanations for anything you missed, and retake the quiz until it sticks.

Every question includes an explanation, so a wrong answer shows you what the source actually said. Because the quiz is built from your files rather than a generic question bank, it matches the chapter, slides, or course you are preparing for.

Explore related topics

Frequently asked questions

How many questions should a quiz cover for a study session?

Ten to twenty questions is enough to cover a typical chapter and reveal weak spots without making the session feel endless. Use a shorter quiz for daily review and a longer one for a full unit before an exam.

What makes a good practice question for studying?

A good question tests one idea and asks you to explain or apply it, not just recognize a term. Reading the explanation for each answer, including the ones you got right, is what locks the idea in.

Can I export a quiz to Moodle or QTI?

Yes, QTI 2.1 and Moodle XML export are included in the Pro plan at $14.99 per month. PDF and DOCX export are available on the Plus plan at $39 per year or $7.99 per month.

Is there a free plan, and do I need a credit card?

The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exports require a paid plan, and students get 40% off with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.