Turn YouTube videos with subtitles into powerful language learning sessions. Available for Chrome, Firefox, and Edge.
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Lokia transforms your browser into a powerful language learning tool
When subtitles are available, turn YouTube into a learning experience with interactive subtitles
Hover over words for immediate translations in over 50 languages
Build your personal vocabulary and review with spaced repetition
Learn words in real context from authentic content
Enable subtitles on the video, then click a word for an instant translation
Build your vocabulary by saving interesting words
Your vocabulary syncs with your Lokia account automatically
Import YouTube videos with subtitles to study them later in your Lokia account

Get started in less than 2 minutes
Click on your preferred browser above to visit the extension store
Click "Add to Browser" and confirm the installation when prompted
Open a YouTube video with subtitles, enable subtitles if needed, then click words to translate and save them