SubsGen - Interactive Subtitles for Language Learners | YouTube & Bilibili

Transform Chinese videos into an interactive learning experience. Pinyin, translations, and colored subtitles on YouTube & Bilibili.

SubsGen — Interactive Subtitles for Language Learners | YouTube & Bilibili Turn any YouTube or Bilibili video into an interactive language lesson. Hover words for instant translations, click to hear pronunciation, and follow along with color-coded vocabulary highlighting — directly inside subtitles, comments, and video descriptions. Built for any language with captions: Chinese, Russian, Spanish, English, Portuguese, French, German, Vietnamese, Thai, Korean, Indonesian, and more. The strongest experience is for Chinese learning, with full pinyin support, HSK color coding, traditional/simplified switching, and advanced word segmentation — but any subtitled video becomes study material. ✨ KEY FEATURES 🔤 Hover-to-Translate Hover over any word in subtitles, comments, or descriptions for instant translations in your selected language. ▶️ Native YouTube & Bilibili Support Works seamlessly on both platforms. Dramas, podcasts, interviews, gaming videos, livestreams, lessons, documentaries, music videos, and vlogs all become interactive lessons. 🔊 Click-to-Pronounce Click any word to hear native pronunciation instantly. 🎨 Color-Coded Difficulty Vocabulary is automatically highlighted by frequency and difficulty level so you instantly recognize what’s beginner-friendly and what’s advanced. For Chinese: • HSK-based vocabulary levels For Russian and other supported languages: • Frequency-based difficulty tiers 🇨🇳 Chinese Learning Power Features • Pinyin with tone marks above each character • HSK 1–6 color coding • One-click traditional ↔ simplified switching • Jieba-powered word tokenization 💬 Enhanced Comments & Descriptions Comments and video descriptions become interactive too. Learn slang, internet culture, casual speech, and real everyday language directly from native speakers. ⚙️ Fully Customizable Customize your experience with: • Font size • Subtitle position • Background opacity • Word spacing • Line spacing • Translation visibility • Feature toggles • Per-language settings 🎯 WHY SUBSGEN? Traditional textbook learning gets boring fast. SubsGen lets you learn through videos you already enjoy watching — without interrupting your flow. Instead of memorizing isolated vocabulary lists, you naturally absorb words, pronunciation, and sentence structure through real content and real conversations. 📱 HOW IT WORKS 1. Install SubsGen 2. Open YouTube or Bilibili 3. Translations — and for Chinese, pinyin — appear automatically 4. Hover words to learn meanings 5. Click words to hear pronunciation 🏆 PERFECT FOR • Language learners at any level (beginner → advanced) • Mandarin students and HSK candidates • Russian, Spanish, and Asian-language learners • Heritage speakers improving literacy • Anyone learning through native content instead of textbooks 🆓 FREE TIER • 9 minutes/day FREE forever • Shared across YouTube and Bilibili • No credit card required 💎 SUBSGEN PRO ✅ Unlimited daily learning time ✅ All features and supported languages ✅ YouTube + Bilibili support ✅ Interactive comments & descriptions ✅ Priority support ✅ $4.99/month or $29.99/year 🚀 COMING SOON • Youku support • iQIYI integration • AI pronunciation practice • Vocabulary saving & review system 🔒 PRIVACY • Only accesses supported video pages • No personal data sold or shared • Secure Google Sign-In authentication • Payments processed securely through Stripe ⚠️ NOTE Some features depend on subtitle availability for each video. Bilibili may require login for full subtitle access. 📧 SUPPORT Questions or feedback? Reach us through the extension settings or leave a review — community feedback directly shapes the roadmap.