Learn Languages Through Real Videos
Turn any YouTube video into an interactive lesson. AI extracts vocabulary, generates exercises, and tracks your progress — all in one place.
Bonjour, comment allez-vous ?
Hello, how are you?
Languages Supported
Videos Available
Powered Exercises
To Start Learning
Start Learning in Three Steps
No complicated setup. Just pick a video, and our AI does the rest.
Choose Your Content
Paste a YouTube URL, upload a video file, or import subtitle text in any language you want to learn.
AI Generates Exercises
Our AI analyzes the content, detects the language, extracts vocabulary, and creates personalized quizzes and exercises.
Track Your Progress
Practice with interactive exercises, build your vocabulary deck, track streaks, and watch your fluency improve over time.
Learn from Content You Actually Enjoy
Watch videos with interactive subtitles. Click any word to see its translation, hear its pronunciation, and add it to your vocabulary deck instantly.
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Interactive subtitles with instant translations
Click any word to see meaning and context
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Import from YouTube or upload your own
Works with any video that has subtitles
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Automatic language detection
AI identifies the language and difficulty level
Das ist wunderbar , nicht wahr?
wonderful, marvelous
Elle mange une pomme chaque matin.
Exercises That Adapt to You
Our AI doesn't just translate — it creates fill-in-the-blank, multiple choice, matching, and comprehension exercises tailored to the content you're watching.
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Multiple exercise types per video
Fill-in-blank, multiple choice, listening comprehension
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Difficulty matches your level
Exercises get harder as you improve
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Instant feedback and explanations
Understand why an answer is correct
Build a Vocabulary That Sticks
Every word you encounter gets added to your personal vocabulary deck. Review with spaced repetition flashcards to move words into long-term memory.
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Spaced repetition flashcards
Science-backed review intervals for better retention
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Daily streaks and progress stats
Stay motivated with learning streaks and milestones
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Structured learning paths
Follow curated courses or build your own path
Your Progress
Learn Any Language You Want
From popular languages to lesser-known ones, SubLearn supports 60+ languages with AI-powered content analysis.
Everything You Need
A complete platform with all the tools for effective language learning.
60+ Languages
Learn any language with content from native speakers around the world.
Interactive Exercises
Practice vocabulary, grammar, and comprehension with AI-generated exercises.
Vocabulary Tracking
Build your personal vocabulary with spaced repetition flashcards.
AI-Powered Analysis
Smart content analysis detects language, difficulty, and generates exercises.
Learning Paths
Follow structured courses or create your own path with curated content.
Progress Analytics
Detailed stats on your streak, vocabulary growth, and quiz performance.
Ready to Start Learning?
Create your free account and turn any video into an interactive language lesson. No credit card required.