mimikatsu

Learn languages naturally while watching videos.

By your side, while you learn. Learn languages naturally while watching the content you love. mimikatsu is an AI-powered language learning companion that brings everything you need into one place—real-time subtitles, furigana, instant dictionary, AI grammar explanations, shadowing, and more. ── How it works ── 1. Install mimikatsu and open any Japanese video on YouTube. 2. A sidebar appears automatically with real-time subtitles—furigana, word coloring, and instant Chinese translation included. 3. Hover any word to look it up instantly. Tap a sentence to loop it for shadowing practice. Tap again to get an AI grammar breakdown. ── Free features ── • Real-time subtitles • Furigana • Instant translation • Instant dictionary • Single sentence repeat • 3 AI explanations per day ── Pro features ── • Unlimited AI explanations • Multi-sentence & custom loop playback • Save favorite words and sentences Currently supports YouTube (including auto-generated captions). More platforms and languages coming soon.