Language Reactor
A browser extension for learning from video: two sets of subtitles, a pop-up dictionary and playback controls on Netflix and YouTube, and imported texts with machine translation and text-to-speech. Words and phrases you save go to a saved-items list on its site.
Checked on 13 October 2026: Chrome Web Store listing (version 5.1.8, updated 1 July 2026); saved items as described on its own forum.
