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Turn your notes into a quiz to pair with a QR code

DeckOwl does not generate join codes for live games. It turns your PDFs, slides or notes into multiple-choice, true/false and open questions with explanations, ready to export.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Why a QR code needs a quiz behind it

Most people searching for a quizizz qr code want students to join a quiz quickly, and the code only helps once the quiz itself is ready. The quiz is the part that takes time, especially when the content comes from a lecture deck or a set of chapter notes.

Generate a quiz from your own PDF, slides or notes instead of starting from a blank page.
Choose multiple choice, true/false or open questions and check each explanation before students see it.
Study in the browser on the free plan, or export to PDF, DOCX, QTI 2.1 or Moodle XML on a paid plan.
Start without a credit card, and get 40% off Plus with a school email.

Example QR code study questions

What does the Q in QR code stand for?Quick Response, because the code was designed so its contents could be read quickly by a scanner.

Which QR error correction level recovers the most damaged data?Level H, which restores about 30% of damaged codewords, because it adds the most redundancy at the cost of a denser pattern.

What are the three large square markers in a QR code's corners for?They are position detection patterns that let a scanner locate the code and determine its orientation before decoding the data.

Why can a QR code still scan when a logo covers part of it?Reed-Solomon error correction stores redundant data, so the missing modules can be calculated from the parts that remain visible.

How does a dynamic QR code differ from a static one?A dynamic code points to a web address that can be changed later, while a static code stores its data directly and cannot be edited after printing.

Generate the full set

Starts from your material

Upload a PDF, DOCX, PPTX, text file or a photo of a page, and the quiz is built from what you actually teach.

Explanations for every answer

Each question comes with a short explanation, so students learn why an answer is right, not only whether it is.

Exports for your class tools

Paid plans export to PDF, DOCX, QTI 2.1 and Moodle XML so the quiz can move into the system your class already uses.

How it works

Upload your source

Add the PDF, slides or notes that the quiz should cover.

Choose question types

Pick multiple choice, true/false, open questions or a mix, then generate the set.

Review and export

Check the questions and explanations, then study in the browser or export if you are on a paid plan.

DeckOwl handles that first step. You upload your own material and get a set of questions with explanations, which you can review before class. Exports to QTI and Moodle XML are available on paid plans, so the quiz can be loaded into a learning system instead of being retyped.

DeckOwl does not print or scan codes, so plan the join step with your usual classroom tool and use DeckOwl to write the questions.

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Frequently asked questions

How do QR codes recover when part of the code is damaged?

QR codes store extra redundant data using Reed-Solomon error correction. Higher levels, such as H, can restore more of the code when it is smudged or partly covered, but they make the pattern denser.

What is the difference between static and dynamic QR codes?

A static QR code stores its data directly, so it cannot be changed after printing. A dynamic code points to a web address that can be updated later without reprinting the code.

Can DeckOwl create a QR code for my quiz?

No, DeckOwl does not generate QR codes or host live games. It creates the quiz questions and explanations, and paid plans export them to QTI 2.1 and Moodle XML.

Is there a free plan?

Yes, the free plan includes 3 generations per month and studying in the browser, but it does not include exports. Plus starts at $7.99 per month or $39 per year.

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Keep exploring the topic

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