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Turn any PDF into a practice quiz with AI

Upload a PDF, slides, DOCX, plain notes or a photo of a page. DeckOwl writes quiz questions from your own material, each with an explanation for the answer.

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 quiz beats rereading your PDF

Your lecture slides or textbook chapter already contain the questions an exam is likely to ask. DeckOwl reads the file and helps you turn a PDF into a quiz in a few minutes, with an explanation for every answer.

Multiple-choice, true/false and short answer question types
Explanations for every answer, so missed questions teach something
Works with PDF, DOCX, PPTX, plain notes and photos of pages
Free plan includes 3 generations per month; Plus adds unlimited generations and PDF or DOCX export

Example cell biology quiz questions (sample topic)

Which organelle produces most of a cell's ATP?Mitochondria. They carry out cellular respiration, which converts glucose and oxygen into ATP.

True or false: plant cell walls are mainly made of cellulose.True. Cellulose gives the plant cell wall its rigid structure and shape.

During which phase of mitosis do sister chromatids separate?Anaphase. Spindle fibers pull the duplicated chromosomes toward opposite poles of the cell.

What is the main function of ribosomes?Protein synthesis. Ribosomes read mRNA and link amino acids into polypeptide chains.

Why is the cell membrane described as selectively permeable?Its phospholipid bilayer lets small nonpolar molecules pass, while most ions and large polar molecules need transport proteins to cross.

Generate the full set

Three question types

Get multiple-choice, true/false or short answer questions. Mix them to test recall and understanding.

Explanations for every answer

Each question shows why the correct answer is right, so a missed question becomes a lesson.

Built from your material

Questions come from your own PDF, slides or notes, so the quiz matches what your instructor covered.

How it works

Upload your file

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

Pick a question type

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

Answer, review and retake

Work through the questions, read the explanations, and retake the quiz until the wrong answers stop appearing.

Quizzes work best when you answer before rereading, because pulling an answer from memory strengthens recall more than reviewing does. Upload the chapter, pick a question type, and retake the quiz until the misses stop showing up.