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Turn your own notes into quizzes with an AI quiz generator

DeckOwl is a hosted web tool, not open source software. Upload PDFs, slides or notes and get multiple-choice, true/false or short answer questions with explanations.

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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 open source quiz tools are not always the right fit

Many open source projects are a good place to learn, and some students want an open source quiz generator they can inspect and host themselves. That route means installing software, configuring a server and writing questions by hand or converting them into the right format.

Works from PDFs, slides, DOCX files, notes and photos of pages
Multiple choice, true/false and short answer questions with explanations
Free plan with 3 generations per month and browser study, no credit card needed to start
Exports to PDF, DOCX, QTI 2.1 and Moodle XML on paid plans

Example open source licensing quiz questions

Which license requires modified versions you distribute to stay open under the same terms?The GNU GPL. It is a copyleft license, so derivative works must be distributed under the GPL as well.

True or false: the MIT License allows code to be used in proprietary software.True. MIT is permissive, so it allows commercial and closed-source use as long as the copyright notice is kept.

What is a fork in open source development?A copy of a repository that someone develops independently, often to take the project in a new direction.

What is the purpose of a CONTRIBUTING file in a repository?It explains how to report bugs and submit changes, so contributors follow the project's process.

Why do many open source projects use pull requests?They let maintainers review proposed changes before merging them into the main codebase.

Generate the full set

Questions from your material

Upload PDFs, DOCX, PPTX, plain text or photos of pages. The questions come from your own course notes.

Explanations for every answer

Each multiple-choice, true/false and short answer question includes an explanation, so wrong answers become lessons.

Export when you need it

Plus exports PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for course platforms.

How it works

Upload your notes

Add a PDF, slide deck, document or text file. Photos of printed pages are read with text recognition.

Choose a question type

Pick multiple choice, true/false or open questions, then generate a quiz from the material.

Study or export

Work through the quiz in the browser on the free plan, or export it on a paid plan.

DeckOwl takes a different approach. It is a closed, hosted tool that works from your own material, so you skip the setup and start with the lecture slides or chapter you already have. It is a good match when the goal is practice questions, not code you can modify.

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Frequently asked questions

What should I focus on when studying open source licenses?

Start with the main categories, copyleft and permissive, and the most common licenses in each. Then practice applying them to realistic cases, such as whether you can use code in a closed product.

What is the difference between copyleft and permissive licenses?

Copyleft licenses such as the GPL require derivative works to stay under the same license when distributed. Permissive licenses such as MIT and Apache 2.0 allow broader reuse with fewer conditions, including use in proprietary software.

Is DeckOwl an open source quiz generator?

No. DeckOwl is a hosted web tool and its software is not open source. The free plan includes 3 generations per month and browser study.

Which export formats are available?

Plus ($39/year or $7.99/month) exports PDF, DOCX, Anki and CSV. Pro ($14.99/month) adds QTI 2.1 and Moodle XML for learning management systems.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.