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Use an AI quiz maker on your own PDFs and slides

DeckOwl is a web app, not a browser extension. Upload your lecture notes, slides or chapter PDFs and get multiple-choice, true/false and short answer questions with explanations you can study in your browser.

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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

How an AI quiz maker works from your own notes

Many students who search for an AI quiz maker extension want quiz questions pulled from the web pages they read, but DeckOwl works differently. It is a web app that builds quizzes from files you already have, such as lecture slides, chapter PDFs or printed pages photographed with your phone.

Works from PDF, DOCX, PPTX, plain text and page photos
Multiple choice, true/false and short answer formats
Explanations attached to every question
Free plan includes 3 generations per month, with no exports

Example cell biology quiz questions

Which organelle produces most of a cell's ATP?Mitochondria. They carry out most of cellular respiration, which generates the ATP the cell uses for energy.

True or false: plant cells lack a plasma membrane.False. All cells have a plasma membrane, and plant cells also have a cell wall outside it.

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

Why does a cell lose water when placed in concentrated salt water?The solution outside has a lower water concentration than the cell, so osmosis moves water out of the cell.

Which molecule carries amino acids to the ribosome during translation?tRNA. Each transfer RNA matches a codon on the mRNA with its specific amino acid.

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Questions from your files

Upload PDFs, DOCX, PPTX, plain text notes or photos of printed pages and get multiple-choice, true/false and short answer questions.

Explanations for every answer

Each question comes with an explanation, so a wrong answer becomes a lesson instead of a dead end.

Exports when you need them

Plus adds PDF, DOCX, Anki and CSV export, and Pro adds QTI 2.1 and Moodle XML for course systems.

How it works

Upload your material

Add a PDF, slide deck, Word file, text notes or a photo of a printed page.

Choose question types

Pick multiple choice, true/false or short answer, then generate your quiz.

Answer, check and review

Work through the quiz in your browser and read each explanation before moving on.

Because each quiz is built from your own material, the questions match your course rather than a generic topic list. Every question includes an explanation, and short answer items make you produce the idea from memory before you check it.

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Frequently asked questions

How many quiz questions should I make from one chapter?

Most chapters work well with 10 to 20 questions, enough to cover each key term and process at least once. Mix multiple choice with short answer so you practice recall as well as recognition.

Does answering quiz questions actually help memory?

Retrieval practice, where you answer from memory before checking, generally improves recall more than rereading does. Read the explanation for every wrong answer before moving on.

Is there a browser extension version of DeckOwl?

No, DeckOwl is a web app that runs in your browser and does not have a separate extension. Free accounts can study in the browser, with 3 generations per month and no exports.

Can I export my quizzes to Moodle?

Moodle XML and QTI 2.1 export are on the Pro plan at $14.99 per month. PDF, DOCX, Anki and CSV export are included in Plus, which costs $39 per year or $7.99 per month.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.