Capture burned-in subtitles and convert to pinyin for on-screen videos

Capture burned-in subtitles and convert to pinyin for on-screen videos targets a $4.5B = 150M global language learners x $30 ARPU/year (includes paid apps, add-ons, extensions and learning tools) total addressable market with low saturation and a year-over-year growth rate of 10-15% (consumer language-learning market growth, expansion of short-form video).

Key trends driving demand: Short-form video growth -- more hours of native-language content consumed casually increases exposure to burned-in subtitles and the need for learning tools.; Browser-native ML and WASM -- client-side OCR and pinyin conversion are now performant enough for real-time UX.; Increasing self-directed language learning -- learners prefer on-demand micro-practice tied to content they already watch..