Enter a YouTube URL
Paste a lesson, lecture, or explainer video URL and search for captions.
YouTube source page
YouTube Quiz Generator
A YouTube quiz generator is an AI tool that uses video captions or explanation-style video content to create questions for review and assessment.
Turn YouTube video captions into multiple choice, O/X, short-answer, essay, fill-in-the-blank, and matching quizzes.
YouTube
Caption-based quiz generation
- YouTube URL input
- Caption language selection
- Caption-based questions
View and edit quizzes with LaTeX math
Readable areas render supported math, while quiz input fields keep the LaTeX source editable.
View the support guideHow a YouTube video becomes a quiz
QuizGen.kr uses captions to organize the video explanation into question-ready learning material.
Select captions
Choose an available caption language and use the caption text as source material.
Choose question types
Create questions around key concepts, sequence, causes, effects, and explanations.
Share and review results
Publish the quiz link and review submissions from the dashboard workflow.
Real YouTube generation case: full captions to quiz
Instead of a generic history caption, this page points to a neural-network video and its actual QuizGen result.
Source YouTube material
The full captions from “How to train Neural Network (신경망 학습 원리, 역전파)” were summarized into questions about weights, loss, gradient descent, momentum, and automatic differentiation.
Multiple choice
What is the calculation order in a learnable layer?
Answer: Multiply by W, add b, then apply ReLU
Multiple choice
What does a smaller loss mean?
Answer: The prediction is closer to the target under the selected loss function
Review note
Why are per-question timestamps not shown in this case?
Answer: The full captions were summarized before the questions were generated
Question types that work well with YouTube captions
Captioned videos work well for concept checks, sequence questions, and explanation-based assessment.
Multiple choice
Useful for checking key concepts, definitions, causes, and effects.
O/X
Good for validating sentence-level facts and common misunderstandings.
Short answer
Useful when learners need to recall terms, people, formulas, or steps.
Essay
Supports context, comparison, evidence, and explanation-based assessment.
Fill in the blank
Works well for definitions, formulas, and process statements.
Matching
Useful for pairing terms with definitions, events with results, or examples with concepts.
Compared with writing questions while watching videos
Area
Manual
QuizGen.kr
Source prep
You rewatch the video and write down key sections manually.
QuizGen.kr fetches captions and organizes them for quiz generation.
Speed
Long videos increase question-writing time.
Caption-based drafts can be created quickly.
Learning check
Quiz sharing and result review often require separate tools.
Sharing, quiz taking, and result review stay in one workflow.
Related pages
AI quiz demo
Try a static sample quiz without signing in.
About QuizGen.kr
See all supported input sources and quiz types.
Pricing
Compare generation limits, downloads, and plan access.
Export output sample
Open a real exported PDF and compare the printable layout across formats.
Real URL generation case
See a five-question O/X quiz generated from a Wikipedia linguistics page.
View and edit quizzes with LaTeX math
See math rendering in quiz content and editable LaTeX source text in quiz fields.
Share with QR codes and classes
Compare learning-support and assessment sharing, class rosters, and availability windows.
Analyse quiz results
See how participants, average score, hardest question, and per-question accuracy are calculated.
Try a matching question
Answer and grade a real matching question while reviewing its generation rules and limits.
Real YouTube generation case
See the original result of turning full captions into a neural-network quiz.
FAQ
- Can videos without captions be used?
- The YouTube source flow is caption-based, so videos without available captions may be limited.
- Can I choose a caption language?
- Yes. The service flow searches available captions and lets users choose a caption language.
- Can long lecture videos be used?
- Long videos can be used when captions are available, but the generated quiz should be reviewed for quality.
- Can I share YouTube-based quizzes with students?
- Yes. Generated quizzes can be shared through a public link and reviewed in the dashboard.
- Does QuizGen.kr store the original YouTube video?
- The flow uses the video URL and caption content. Users are responsible for confirming usage rights.
- What videos work best?
- Concept explanations, lectures, tutorials, experiment walkthroughs, and narrated lessons work best.
Turn YouTube lessons into quiz drafts
Fetch captions from a learning video and create questions learners can answer right away.