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Turn your own notes into an online test with AI

Upload a PDF, slide deck, text file or photo of a page. DeckOwl writes practice 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 · First set needs no signup · Creates quizzes in seconds

Why a test beats rereading your notes

An online test maker that starts from your own notes saves the slow part of exam prep. Writing good questions takes time, and rereading highlighted pages feels productive without showing you what you actually remember.

Multiple-choice, true/false and short answer questions from the same upload
Explanations for each answer so missed questions become lessons
Study in the browser on the free plan with three generations per month
Plus and Pro add exports for PDF, DOCX, Anki, CSV, QTI 2.1 and Moodle XML

Example intro biology quiz questions

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

True or false: Enzymes are used up in the reactions they catalyze.False. Enzymes are unchanged after the reaction and can catalyze the same reaction again.

What is the role of the cell membrane?It is a selectively permeable barrier that controls what enters and leaves the cell.

In DNA, which base pairs with adenine?Thymine. Adenine and thymine form two hydrogen bonds across the double helix.

What happens to a cell placed in a hypertonic solution?Water leaves the cell by osmosis, so the cell shrinks because the solution has a lower water potential.

Generate the full set

Three question formats

Get multiple-choice, true/false and short answer questions from the same material, so practice matches the test format.

Explanations for every answer

Each question comes with a short explanation of why the correct answer is right, which helps when you miss one.

Built from your material

Questions come from the files you upload, not a generic question bank, so the test covers what your course actually taught.

How it works

Upload your material

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

Pick a question type

Choose multiple-choice, true/false or short answer. Generate the set and review the questions before you study.

Take the test and review

Work through the questions in your browser, read the explanations for anything you missed, and retest the weak spots.

Practice tests work because retrieving an answer strengthens memory more than seeing it again. Mixing question types helps too: multiple-choice checks recognition, while short answer forces you to explain a concept in your own words.

Start with the free plan to see how the questions match your material. You get three generations per month and can study in the browser.

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Frequently asked questions

How many practice questions should I answer before an exam?

Aim for a set you can finish in one sitting, then retest the questions you missed a day or two later. Repeated retrieval over several days works better than one long session.

What is the best way to study from a practice test?

Answer each question before you check the answer, and write down why every wrong choice is wrong. Then return to the explanation and quiz yourself on the concept again.

Is there a free plan?

Yes. The free plan includes three generations per month and studying in the browser, with no credit card needed to start. Exports are not included on the free plan.

Can I export a test to Moodle?

Moodle XML and QTI 2.1 export are part of the Pro plan at $14.99/month. PDF, DOCX and Anki export are included with Plus at $39/year or $7.99/month.

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