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Turn your own notes into a free quiz with answer explanations

Upload a PDF, slides, a DOCX or photos of pages and get multiple-choice, true/false or short answer questions. Each answer comes with an explanation, and no credit card is needed to start.

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

How a free quiz maker with results helps you study

Checking what you actually remember is harder than rereading notes, and a free quiz maker with results gives you that check.

Multiple-choice, true/false and short answer question types
Explanations for correct and incorrect answers
Quizzes made from PDFs, slides, DOCX files, notes or page photos
Free plan: 3 generations a month, studied in the browser

Example biology quiz questions on cell structure

Which organelle carries out aerobic respiration to produce most of a cell's ATP?The mitochondrion. Its inner membrane hosts the electron transport chain, which drives most ATP synthesis.

True or false: chloroplasts are found in plant cells but not in animal cells.True. Chloroplasts carry out photosynthesis in plant cells, and animal cells do not contain them.

What does the nucleolus produce?Ribosomal RNA and the subunits of ribosomes. It is the site where ribosome subunits are assembled inside the nucleus.

Why does the cell membrane act as a selective barrier?Its phospholipid bilayer lets small nonpolar molecules pass while blocking most ions and large polar molecules, which need transport proteins.

Which structure in a bacterial cell is made of peptidoglycan?The cell wall. Peptidoglycan gives bacteria rigidity and shape, and it is the target of penicillin-type antibiotics.

Generate the full set

Results with explanations

Every multiple-choice, true/false and short answer question comes with an explanation of the correct answer, so you see why you missed it.

Built from your material

Upload PDF, DOCX, PPTX, plain text or photos of pages. The text is read and turned into questions drawn from your own content.

Start free

The free plan includes 3 generations a month and studying in the browser. No credit card is needed to start.

How it works

Upload your material

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

Choose a question type

Pick multiple choice, true/false or short answer for your quiz.

Check your results

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

DeckOwl builds questions from the material you upload, so the quiz matches your course rather than a generic topic list. Each question includes an explanation, which turns a wrong answer into a short lesson.

The free plan lets you run 3 generations a month and study in the browser. Exporting to PDF, DOCX or Anki is part of the paid Plus plan, and Pro adds QTI 2.1 and Moodle XML export.

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Frequently asked questions

How many questions should a practice quiz have for one chapter?

Ten to twenty questions usually cover the main ideas of a chapter without taking too long. Shorter quizzes suit daily review, and longer ones suit preparing for a full exam.

How do I get the most out of quiz results?

Read the explanation for every missed question, then retake the missed ones after a day or two. Repeating the questions you got wrong is what strengthens recall.

Can I export a quiz for my class?

Exporting to PDF or DOCX is part of the Plus plan, and QTI 2.1 or Moodle XML export requires Pro. The free plan lets you study the quiz in your browser.

Is the free plan enough to try it?

The free plan includes 3 generations a month, and no credit card is needed to start. Students can get 40% off Plus with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.