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Skip the extension and turn your own notes into a quiz

DeckOwl is a browser-based AI quiz generator, not a browser add-on. Upload your PDFs, slides, DOCX files, plain notes or photos of pages and get multiple-choice, true/false or open questions with explanations.

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

How a browser quiz maker compares with an extension

A quiz maker extension adds a button to your browser toolbar, usually tied to the page you are reading. That works for quick web content, but many students need quizzes from lecture slides, PDFs and handwritten notes they have saved as files or photos.

Quizzes come from your own files, not from whatever page is open.
Multiple choice, true/false and short answer questions include explanations.
Free plan: 3 generations per month, studied in the browser.
Students get 40% off with a school email.

Example quiz questions on how browser extensions work

Which file must every Chrome extension include at its root?manifest.json, which declares the extension's name, version, permissions and scripts. Chrome reads it to know what the extension is allowed to do.

What does a content script do in a browser extension?It runs inside a web page so it can read and modify that page's content. The extension injects it into pages that match its rules.

True or false: a background service worker can read the DOM of open web pages directly.False. The service worker has no access to page DOM, so content scripts handle the page and pass messages back to the worker.

Why do extensions request permissions such as tabs or storage?They limit which browser features and data the extension can use. Users see these permissions at install, so requesting only what is needed reduces risk.

How does a popup differ from a content script?A popup is the small window that opens from the toolbar icon, while a content script runs inside web pages. They run in separate contexts and communicate through messaging.

Generate the full set

Works from your own material

Upload PDFs, PPTX slides, DOCX files, plain text notes or photos of pages. Text in images is read with text recognition.

Explained answers

Each question comes with an explanation, so you learn why the right answer is right instead of just memorizing it.

Study in the browser

Take quizzes in the browser on the free plan. Paid plans add exports to PDF, DOCX and Moodle XML, plus QTI 2.1 for Pro.

How it works

Upload your material

Add a PDF, slide deck, document, text file or photo of a page. No credit card is needed to start.

Choose a question type

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

Study and review

Answer the questions, read the explanations and go back over the ones you missed.

DeckOwl takes the other route. You upload your own material to a web app that runs in your browser, and it generates multiple-choice, true/false or open questions with explanations. The free plan includes 3 generations per month and studying in the browser, with no exports.

If you need to move quizzes into a learning system, Plus adds PDF, DOCX, Anki and CSV export with unlimited generations for $39/year or $7.99/month. Pro adds QTI 2.1 and Moodle XML export at $14.99/month.

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Frequently asked questions

Is DeckOwl a browser extension?

No. DeckOwl is a web app that runs in your browser, so you upload your own PDFs, slides or notes instead of installing an add-on that works on the page you are viewing.

How should I study how browser extensions work?

Start with the manifest file, then learn content scripts, background workers and permissions. Quiz yourself on each piece after reading, and explain it out loud without looking at your notes.

How many quiz questions should I generate per topic?

Start with about 10 to 15 questions per topic so you can cover the main ideas in one sitting. Add more questions for topics you keep missing.

Can I export quizzes to Moodle XML?

Yes, but Moodle XML and QTI 2.1 export are included in the Pro plan at $14.99/month. The free plan lets you study quizzes in the browser without exports.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.