Turn your QR code notes into a practice quiz
Upload a PDF, slides or notes and get questions with explanations on QR code structure, error correction and encoding.
How a QR code quiz helps you learn the material
Quick checks work well for QR code topics like version sizes, error correction levels and the finder patterns that let a scanner find the code. A QR code quiz generator turns your lecture slides or notes into those checks, so you test recall instead of rereading.
- Multiple-choice, true/false and short-answer questions, each with an explanation
- Questions generated from your PDFs, slides, DOCX files, notes or page photos
- Free plan with 3 generations per month and browser study
- Plus and Pro plans add exports for PDF, DOCX and, on Pro, QTI and Moodle XML
Multiple-choice, true/false and open questions
Pick the question style that fits your exam, then review each answer with a short explanation.
Built from your own material
Questions come from the PDF, slides or notes you upload, so the quiz matches your course reading.
Study in the browser
Free accounts get 3 generations per month and can practice right away without a credit card.
How it works
Upload your notes
Add a PDF, DOCX, PPTX, text file or a photo of a page with your QR code material.
Choose a question type
Select multiple-choice, true/false or short answer, then generate the quiz.
Practice and review
Answer the questions, read each explanation and repeat the ones you missed.
DeckOwl does not create QR codes. It generates quiz questions about QR codes from your own material. If you need a scannable code that links to a quiz, you would need a separate QR tool, then you can link it to the quiz you made here.
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Frequently asked questions
What does the error correction level in a QR code do?
It sets how much of the code can be damaged or covered and still scan. Level H can recover about 30 percent of the code, while level L recovers about 7 percent.
How do I study QR code structure for an exam?
Learn the three finder patterns, the timing patterns and the four error correction levels, then quiz yourself on where each one sits. Repeat short quizzes instead of one long session.
Does DeckOwl create QR codes?
No. DeckOwl generates quiz questions from your own material. Quiz exports to PDF and DOCX are on Plus, and QTI and Moodle XML exports are on Pro.
Is there a free plan?
Yes. The free plan includes 3 generations per month and studying in the browser, but no exports. No credit card is needed to start.
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