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Turn a lecture transcript into a quiz for your video study time

DeckOwl reads your slides, notes, PDFs and transcripts, then writes quiz questions with explanations you can answer right after the lecture.

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Quiz time after the video, built from your own material

Video quiz time works best when the questions come from the lecture you just watched, while the details are still fresh. Writing those questions yourself takes longer than the video, so most students skip it.

Paste a lecture transcript or upload slides to start a quiz in minutes.
Mix multiple-choice, true/false and short answer questions in one set.
Read an explanation for every answer, right or wrong.
Retake the quiz later to check what you remember.

Example time and clock quiz questions

How many seconds are in one hour?3,600 seconds, because one hour has 60 minutes and each minute has 60 seconds.

How many hours are in 3 days?72 hours, because each day has 24 hours and 24 × 3 = 72.

What time does a clock show when the minute hand points to 6 and the hour hand sits halfway between 4 and 5?4:30, because the minute hand at 6 means 30 minutes past the hour.

How many time zones does the contiguous United States span?Four: Eastern, Central, Mountain and Pacific, because the lower 48 states cross four standard offsets.

Does a leap year have 365 or 366 days?366 days, because February has 29 days in a leap year, which occurs in years divisible by 4 except century years not divisible by 400.

Generate the full set

Questions from your own material

Upload PDFs, PPTX slides, DOCX files, plain text or photos of pages, and get questions drawn from what your instructor actually covered.

Three question types

Choose multiple-choice, true/false or short answer questions, and mix them in one quiz to test recall and understanding.

Explanations for every answer

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

How it works

Paste or upload your material

Add the slides, notes or transcript from the video. Plain text works if you copy a transcript.

Pick a question type

Select multiple-choice, true/false or short answer, then generate the quiz in a few seconds.

Answer and review

Take the quiz in your browser, read the explanations, and return to missed questions later.

DeckOwl does not pull questions straight from a video file. Instead, paste the transcript or your own notes, or upload the slides the lecture used, and the tool writes questions from that text. Photos of handwritten or printed pages are read with text recognition.

Each quiz item comes with an explanation, which matters most for questions you miss. Re-take the quiz a day later to see what stuck.

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Frequently asked questions

How do I study time concepts like telling time or time zones for a quiz?

Start with the basic units, such as 60 seconds in a minute and 24 hours in a day, then practice reading clock faces and converting between time zones. Quizzing yourself on each unit before moving on helps the conversions stick.

How many questions should I answer after one lecture?

Ten to fifteen questions is a practical range for a single lecture, enough to cover the main points without taking too long. Focus on the topics you missed the first time.

Can I export my quiz?

Exports are a paid feature. The Plus plan at $39 per year or $7.99 per month includes PDF and DOCX export, and the Pro plan at $14.99 per month adds QTI 2.1 and Moodle XML export.

Is there a free plan?

Yes. The free plan includes 3 generations per month and lets you study in the browser, and you do not need a credit card to start.

Generate free quizzes

Keep exploring the topic

Review the main ideas visually or practice recalling them.