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Turn your own notes into a practice test with an AI test maker

Upload a PDF, slide deck, text file or photo of a page. DeckOwl writes multiple-choice, true/false and short answer questions with explanations, so you can practice right away.

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

Create a test from your own material first

Teachers and students often want a quick AI test maker they can try before committing to anything. The most useful practice test is one built from the lecture slides or chapter you are actually studying, because generic quizzes rarely match what your instructor covers.

Multiple-choice, true/false and short answer questions from your own files
An explanation for every answer, so you learn why an option is wrong
Photos of textbook pages are read with text recognition
Free plan with 3 generations per month and no credit card to start

Example cell biology test questions

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

True or false: plant cell walls are made mainly of cellulose.True. Cellulose fibers give plant cell walls their rigidity and support.

What is osmosis?The movement of water across a semipermeable membrane toward the side with more solute. Water follows its concentration gradient.

Why is the lagging strand of DNA copied in short fragments?DNA polymerase can only add nucleotides in the 5' to 3' direction, so the lagging strand is made backward in short Okazaki fragments.

In which phase of mitosis do chromosomes line up along the center of the cell?Metaphase. Lining up at the metaphase plate ensures each daughter cell receives one copy of every chromosome.

Generate the full set

Built from your material

Questions come from the PDFs, slides, notes or page photos you upload, not from a generic question bank.

Explanations for every answer

Each question includes an explanation, so a wrong answer becomes a short lesson instead of just a red mark.

Free to start

The free plan gives you 3 generations per month and lets you study in the browser. No credit card is needed to begin.

How it works

Upload your material

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

Choose a question type

Pick multiple-choice, true/false or short answer, then generate the set from your own content.

Practice and review

Answer the questions, read the explanations, and retry anything you missed before the real test.

DeckOwl reads your uploaded file and writes questions that point back to specific passages, with an explanation for each answer. The free plan covers 3 generations per month and studying in the browser. Exports to PDF or DOCX are part of the Plus plan at $39/year or $7.99/month, and QTI 2.1 or Moodle XML export is part of Pro at $14.99/month.

Students with a school email get 40% off paid plans, and you can always start on the free plan without entering a card. Upload one chapter first to see how the questions and explanations look before deciding on a plan.

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Frequently asked questions

How many questions should a practice test have?

A chapter quiz of 10 to 20 questions is a manageable size to finish in one sitting and review fully. Shorter sets are easier to repeat before an exam.

How do I study from a practice test I made?

Answer each question before reading the explanation, then retry the ones you missed after a day or two. Repeating the misses over several sessions works better than rereading the notes.

Does the free plan let me export my test?

No. The free plan lets you generate and study in the browser but not export. PDF and DOCX export are on Plus, and QTI 2.1 and Moodle XML export are on Pro.

Do I need a credit card to try it?

No. You can start on the free plan without a credit card, and students get 40% off paid plans with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.