Language Reactor transforms Netflix and YouTube into language learning platforms by displaying dual subtitles, instant word translations, and playback controls. This tool makes watching authentic native content more comprehensible, enjoyable, and efficient for language learners.
Free basic version
Dual subtitle display
Instant word translation on hover
Works with Netflix and YouTube
Vocabulary frequency filtering
Sentence saving and export
Integration with Anki
Auto-pause functionality
Customizable subtitle appearance
Extensive language support
Language Reactor is a Chrome extension that transforms streaming platforms into language learning environments. The platform supports video content from Netflix and YouTube and written sources from ebooks and websites. The app also features Anki integration and vocabulary tracking.
Designed for language learners of all levels who want to learn through entertainment content. Best suited for learners who already have basic comprehension skills and can follow along with native-speed dialogue.
Install from Chrome Web Store and configure native/target languages in settings. Ensure Netflix/YouTube language preferences match your learning goals, and refresh pages if features don't appear immediately.
Select content with your target language audio and subtitles, hover over words for instant translations, use auto-pause to process dialogue, and save useful phrases or vocabulary. The Pro version adds advanced features like vocabulary tracking and custom subtitle options.
Filter content by vocabulary difficulty level to match your comprehension, focus on word frequency rankings for efficient vocabulary building. Use the mobile browser Kiwi on Android tablets for YouTube access when away from desktop.
Common problems include intermittent functionality on YouTube, occasional subtitle synchronization issues, and interface glitches requiring page refreshes. The extension is Chrome-only, and some users report slow development updates.