YuzuLingo

Cover hardcoded subtitles on web video with customizable blur or block masks.

Turn hardsubbed web videos into interactive language lessons. YuzuLingo uses fast, on-device text recognition (OCR) to make burned-in hardsubs hoverable, searchable, and easy to read directly inside your browser's video players. 🌟 KEY FEATURES • Hover-to-Lookup: Hover over burned-in hardsubs on YouTube, Bilibili, and open web video players to get instant dictionary definitions. • Furigana & Pinyin Overlays: Toggle phonetic reading guides directly above Kanji (Japanese) and Hanzi (Chinese) characters in real time. • Active Recall Blur Zones: Mask hardsubs with customizable blur or solid covers to test your listening first, then hover or hold a hotkey to reveal. • 5 Language Engines: Comprehensive OCR and dictionary lookup support for Japanese, Chinese (Simplified & Traditional), Korean, English, and Spanish. • 100% On-Device & Private: Video frames and OCR text recognition run entirely inside your browser. Video content is never uploaded to external servers. 🎯 PERFECT FOR • Japanese learners watching anime or YouTube channels with burned-in hardsubs. • Chinese learners watching Bilibili, Youku, or dramas with hardcoded Chinese subtitles. • Korean, English, and Spanish learners looking to read native video content effortlessly. • Immersion language learners practicing Mass Immersion or active listening methodologies. 🚀 GET STARTED IN 10 SECONDS 1. Add YuzuLingo to your browser and pin it to your extension toolbar. 2. Open any video player containing burned-in subtitles. 3. Draw a zone over the subtitle area and hover over words to view lookups. (Roadmap Note: Saved vocabulary bank and Anki export integrations are under active development for upcoming releases.) Have questions or feature requests? Visit yuzulingo.com/help or contact us at hello@yuzulingo.com.