HayaiLearn

HayaiLearn is a web app for learning Japanese through immersion with YouTube videos. Pick content you actually want to watch, and AI helps you break down natural speech, slang, and casual phrasing.

Learn from real Japanese video

Instead of textbook dialogs, you study with authentic content and build understanding in context.

• Use YouTube videos such as anime, vlogs, interviews, and podcasts
• Smart subtitles to follow along with spoken Japanese
• Pop-up dictionary for quick lookups
• Example usage pulled from other videos to reinforce meaning

AI help for vocabulary and grammar

HayaiLearn focuses on what a word or structure means in the current scene, not just a generic definition.

• Context-aware word meanings for the specific moment in the video
• Grammar explanations and highlighted sentence patterns
• Examples showing how the same patterns appear in other phrases
• Support for informal speech and slang in Japanese sentences

Video-based SRS for retention

Spaced repetition is tied to the original video moments, so you review both the word and the scene where you learned it.

• SRS review based on video clips and examples
• Helps move from passive understanding to active use in speaking and writing