Language Reactor

Browser extension that turns Netflix and YouTube into a language-learning tool with dual subtitles and instant word lookup.

Free tierchrome-extensionweb

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What it does

Language Reactor (formerly Language Learning with Netflix) overlays dual-language subtitles on Netflix and YouTube, with click-to-translate word lookup and a built-in vocabulary tracker, so learners can study directly from shows and videos they already watch.

Visit Language Reactor

This is a direct link to Language Reactor — we don't currently earn anything from it.

Free tier reality

Free tier covers dual subtitles and word lookup on YouTube and Netflix with some daily limits; Premium removes limits and adds extras like offline word lists.

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Key features

Dual-language subtitles
Click-to-translate word lookup
Sentence mining and vocabulary tracker
Works on Netflix and YouTube

Best for

Learning a language through TV shows and videos
Building vocabulary from content you already enjoy

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Alternatives

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Language Reactor FAQ

Questions about this tool

Is Language Reactor free?

Yes — Free tier covers dual subtitles and word lookup on YouTube and Netflix with some daily limits; Premium removes limits and adds extras like offline word lists.

What is Language Reactor best for?

Learning a language through TV shows and videos Building vocabulary from content you already enjoy

What platforms does Language Reactor run on?

Language Reactor is available on: chrome-extension, web.