Learn a language from the videos you already watch.

Subgloss is a Chrome extension for YouTube and Netflix. It replaces the subtitles with a line that shows each word's meaning in that sentence above it, highlights the word being spoken, and translates the line underneath.

私Iはtopic家homeにto帰りますgo back

I'm going home.

Meanings in context Not a dictionary list: the meaning the word has in this line.
Click a word to study it The video pauses; hear the word again from the video, slowed down, or in a clear voice, and save it for later.
Your own AI, or none at all Use a key from Google Gemini, OpenAI or Anthropic, a model on your own computer, or Chrome's built-in on-device AI.
Saved words on every computer Optional: sign in with your email, no password.

Coming soon to the Chrome Web Store.