HayaiLearn: Learn Japanese

Learn Japanese the way you'll actually stick with - by watching the YouTube content you already love.

HayaiLearn ("hayai" means fast) turns any Japanese video into an interactive lesson with AI-powered subtitles, instant contextual translations, and real speaking practice. Immersion in easy mode.

Most learners quit because they feel overwhelmed, short on time, or have nowhere to practice. HayaiLearn fixes all three: enjoyable content keeps you motivated, bite-sized study fits any schedule, and an AI conversation partner gives you unlimited practice.

Learn from videos you enjoy

20,000+ Japanese videos, plus import any YouTube video yourself
Every video graded 1-10 by difficulty, so you always find content at your level
A personalized feed that surfaces what's most comprehensible to you right now

AI that makes hard content easy

Fully AI-parsed subtitles - far more accurate for slang and casual speech
Tap any word for the meaning that fits this sentence, not a wall of definitions
One-tap AI explanations break down grammar and sentence patterns on demand

Actually speak the language

Roleplay conversations built around the exact words and grammar you're learning
The AI voices the scene, listens to your reply, and gives instant, explainable feedback
Shadowing and pronunciation grading to sharpen your accent

Remember what you learn

Smart spaced-repetition Review for reading and listening, grounded in real clips
Flashcard or multiple-choice, drilled in the context you first saw the word
Frequency-based vocabulary lists with JLPT N5-N1 filters

Track real progress

XP across all four skills - Reading, Listening, Writing, Speaking
Level up, build daily streaks, and watch words go from "just started" to "mastered"
Mine and save sentences, organize videos into albums, and study your way

Built for the full journey

Input builds comprehension. Output builds fluency. HayaiLearn is the only tool that covers both - turning the shows you love into the fastest path to speaking Japanese.

A paid subscription is required to access content and features.
You can start with a free 7-day trial; cancel anytime.

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