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Turn class notes into a free quiz app for studying

Upload your lecture slides, PDFs or typed notes and get practice questions with explanations. The free plan includes 3 generations a month, 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 · First set needs no signup · Creates quizzes in seconds

A free quiz app built around your own class material

Lecture slides, scanned handouts and a 40-page PDF from the syllabus rarely turn into practice questions on their own. A quiz app for students can read those files and generate questions with explanations, so you test yourself instead of rereading.

Generate quizzes from your own notes, not generic question banks
Mix multiple-choice, true/false and short answer questions in one set
Read explanations after each answer to see the reasoning, not just the score
Retake missed questions to reinforce weak topics before an exam

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: prokaryotic cells have a membrane-bound nucleus.False. Prokaryotes lack a membrane-bound nucleus, so their DNA sits in the cytoplasm in a region called the nucleoid.

What is the main function of a ribosome?Protein synthesis. Ribosomes read messenger RNA and link amino acids into polypeptide chains.

Which molecule carries the genetic code from the nucleus to the ribosome?Messenger RNA (mRNA). It is transcribed from DNA and carries codons to ribosomes for translation.

Why does water move out of a cell placed in concentrated salt water?The solution outside is hypertonic, so water diffuses out of the cell to balance solute concentration across the membrane.

Generate the full set

Multiple-choice, true/false and short answer

Pick the question type that fits the material. Each question comes with an explanation so you learn why an answer is right.

Works from the files you already have

Upload PDFs, DOCX files, PPTX slides, plain text or photos of pages. Photos are read with text recognition.

Study in the browser

Quizzes run in your browser on any device you use for class. The free plan lets you study without installing anything.

How it works

Upload your material

Add a PDF, slide deck, Word file, pasted notes or a photo of a handout.

Choose a question type

Select multiple-choice, true/false or short answer, then generate the quiz.

Answer, review and repeat

Check each explanation, then retake the questions you missed until they stick.

DeckOwl runs in your browser, so there is nothing to install before you start. The free plan includes 3 generations a month and browser study. Plus removes the monthly limit and adds PDF, DOCX, Anki and CSV export for paid users.

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Frequently asked questions

How many quiz questions should I make from one chapter?

Start with 10 to 20 questions per chapter and add more on the topics you keep missing. Short answer questions force recall, which is harder than simply recognizing the right option.

Is it better to quiz myself or reread my notes?

Answering questions from memory usually beats rereading, because retrieving information strengthens what you remember. Use a quiz first, then review the explanations for anything you got wrong.

Is DeckOwl free for students?

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

Can I export my quizzes?

Exports are a paid feature. Plus includes PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML export.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.