Graded instantly, explained clearly
Students see why an answer is wrong, not just that it is wrong - the explanation comes from your own material.
Upload a PDF or describe a topic. LessonLab writes the questions, grades every answer instantly, and explains why wrong answers are wrong - then turns the same material into a full narrated lesson when you want more.
Free tool
Start with a topic, pasted material, or a PDF. Answer the generated questions here and get instant explanations.
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Students see why an answer is wrong, not just that it is wrong - the explanation comes from your own material.
Questions are generated from the PDF or notes you provide, so nothing is asked that was never taught.
The same material becomes narrated slides, visuals, and interactive practice - a complete lesson around your quiz.
Send the quiz as a link, or export the whole lesson to PowerPoint on paid plans.
From material to a graded quiz in a few minutes.
Upload a PDF, paste notes, or type a topic like 'photosynthesis for 8th grade'.
Waiting to start...
LessonLab drafts the lesson outline and builds quiz scenes with answers and explanations.
Take the quiz in the browser, share it with a class, or expand it into a full narrated lesson.
Yes - signing up gives you 2 complete lessons (each includes quizzes) plus monthly free generations. No credit card required.
Yes. Upload the PDF and LessonLab generates questions from its actual content - lecture notes, textbook chapters, reports, or study guides.
Every quiz is self-grading with instant feedback, and each wrong answer comes with an explanation drawn from your material.
Multiple choice and short-answer comprehension checks, generated where they fit in the lesson flow. You can regenerate any question you do not like.
That is the point of LessonLab: the quiz is one scene of a lesson. The same generation gives you narrated slides, visuals, and interactive practice around it.
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