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Turn your notes into a quiz reviewer you can study from

Upload a PDF, slide deck, text file or photo of a page. DeckOwl writes multiple-choice, true/false and open questions with explanations so you can test yourself before the exam.

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 account · 3 sets a month · Creates quizzes in seconds

Why a quiz beats rereading your notes

A quiz reviewer generator reads your slides or notes and turns the key ideas into questions you have to answer from memory. Rereading feels productive, but testing yourself is what shows you which parts you actually know.

Generate questions from the exact slides or notes your instructor uses
Read an explanation for every answer, including the ones you got right
Mix multiple-choice, true/false and short-answer questions in one review
Return to missed questions later to build lasting recall

Example high school biology quiz reviewer questions

Which organelle produces most of a cell's ATP?Mitochondria. They carry out cellular respiration, which generates most of the ATP in aerobic cells.

True or false: Osmosis moves water from a region of low solute concentration to one of high solute concentration.False. Water moves toward the side with more solute, so it flows from low solute to high solute.

Which two energy carriers from the light-dependent reactions power the Calvin cycle?ATP and NADPH. The Calvin cycle uses both to fix carbon dioxide into sugar.

In which phase of mitosis do chromosomes line up along the cell's center?Metaphase. Spindle fibers attach to the chromosomes and align them at the metaphase plate.

How many copies of a dominant allele does a heterozygous individual need to show the dominant trait?One. A dominant allele is expressed whenever at least one copy is present, masking the recessive allele.

Generate the full set

Three question types

Get multiple-choice, true/false and short-answer questions from the same material, so your review covers recall and application.

Explanations on every answer

Each question includes a short explanation of why the correct answer is right, so a wrong guess becomes a lesson.

Works from your own material

Your reviewer comes from your lecture slides, readings or handwritten notes, not a generic question bank.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file or a photo of your notes. Photos are read with text recognition.

Choose question types

Pick multiple-choice, true/false or open questions, then generate the quiz in a few seconds.

Study and review

Work through the quiz in your browser, read the explanations, and return to missed questions.

Good review material mixes question types. Multiple-choice questions check whether you can tell similar concepts apart, true/false questions catch misconceptions, and short-answer questions force you to explain a idea in your own words.

Start with a set you can finish in one sitting, check the explanations for every miss, and then come back to the same material a few days later to see what you still remember.

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Frequently asked questions

How many questions should a quiz reviewer have?

Most students find 15 to 25 questions per topic manageable in one session. Shorter sets are easier to finish, and you can always generate another round from the same material.

How do I know if the practice questions are accurate?

Check each explanation against your course notes or textbook, especially for definitions and formulas. If an answer seems off, treat it as a lead to verify rather than a fact to memorize.

Can I export my quiz to Moodle XML or QTI?

Yes, but only on the Pro plan at $14.99 per month, which also includes a stronger AI model and bulk upload. QTI 2.1 and Moodle XML exports are Pro features.

Is there a free plan?

Yes. The free plan includes 3 generations per month and lets you study in the browser, but exports are not included. No credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.