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Study with your own quiz when you don't have a join code

DeckOwl does not host Quizizz games or issue their join codes. It builds multiple-choice, true/false and short answer questions from your PDFs, slides or notes, each with an explanation.

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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 generated quiz works when a code doesn't

When a quizizz code is not available, the practical question is how to keep studying the same material. DeckOwl builds a quiz from the notes or slides you already have, so you are not waiting on someone else's game session.

Works from PDFs, DOCX, PPTX, plain text and photos of pages
Multiple choice, true/false and short answer with explanations
Free plan includes 3 generations per month and browser study
Paid plans add exports for PDF, DOCX, Anki, CSV, QTI and Moodle XML

Example Python and SQL practice questions

What does len("study") return in Python?5. The string has five characters, and len counts every character including repeats.

What does 7 // 2 evaluate to in Python?3. The // operator is floor division, which drops the remainder.

Is a Python list mutable?Yes. You can change, add or remove items after creating a list, unlike a tuple.

What does a WHERE clause do in a SQL query?It filters rows so only those matching a condition are returned.

What does typeof null return in JavaScript?"object". This is a long-standing quirk of the language, so null is not really its own type.

Generate the full set

Built from your material

Upload PDFs, DOCX, PPTX, plain text or photos of pages and get questions based on what you actually need to study.

Explanations on every question

Multiple-choice, true/false and short answer questions each come with a reason for the correct answer, so wrong answers teach you something.

Exports on paid plans

Plus adds PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML for your learning management system.

How it works

Upload your material

Add a PDF, slide deck, DOCX file, notes or a photo of a page.

Choose a question type

Pick multiple choice, true/false or short answer for the quiz you want.

Study or export

Practice in the browser on the free plan, or export your quiz on a paid plan.

The questions come from your uploaded text, so the topics match your course rather than a generic set. Each one includes an explanation, which helps when you check an answer you got wrong.

Use the quiz for short daily reviews, then rerun it on new material as your course moves on.

Explore related topics

QR codes for Quizizz quizzes

Draft quiz questions from your notes first, then add the QR code. Free to start.

Quizizz Enter Code: Study Quizzes

Why DeckOwl doesn't issue Quizizz join codes, and how to make your own quiz from notes.

Quizizz game code? Make your own quiz

No join codes here, but you can turn your own notes into a quiz with explanations.

Class code quiz: make one from your notes

Can't join a live class code quiz? Build practice questions from your own notes or slides.

Quizizz join code: what to do instead

Join code not working? Turn your own notes into a practice quiz with explanations.

Custom Quiz Maker for QR Code Classes

Build a custom quiz from your own notes, with explanations, for a class QR code session.

AI Quiz Generator for Quizizz-Style Quizzes

Turn PDFs, slides or notes into quizzes with explanations. Free to start.

Anki and Quizizz-Style Quiz Maker

Turn notes and Anki cards into AI quizzes with explanations and exports.

Frequently asked questions

How many practice questions should I write for a programming quiz?

Start with 10 to 20 questions on the section you are reviewing, then add more once you can answer most of them without looking. Short sets done daily tend to stick better than one long session.

How do I study code syntax effectively?

Write the code yourself rather than only reading it, then trace what each line does with a small test input. Predict the output before you run the code to check your answer.

Can I use DeckOwl to join a Quizizz game?

No. DeckOwl does not join or host Quizizz games, so you will need the code from your teacher or host. DeckOwl can make a separate quiz from your own notes for studying.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan without a credit card, which includes 3 generations per month and browser study. 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.