Download Lokia Extension
Turn YouTube videos with subtitles into powerful language learning sessions. Enable dual subtitles to see the original language and translation at once. Available for Chrome, Firefox, and Edge.
Chrome
Get Lokia for Chrome Web Store
Firefox
Get Lokia for Firefox Add-ons
Edge
Get Lokia for Microsoft Edge
What You'll Get
Lokia transforms your browser into a powerful language learning tool
YouTube Integration
When subtitles are available, turn YouTube into a learning experience with dual subtitles and interactive word lookup
Instant Translation
Hover over words for immediate translations in over 50 languages
Save & Review
Build your personal vocabulary and review with spaced repetition
Context Learning
Learn words in real context from authentic content
See It in Action
Dual Subtitles
Toggle dual subtitles to display the original language and translation at the same time on the video and in the transcript panel
Interactive Subtitles
Enable subtitles on the video, then click a word for an instant translation
Save to Wordlist
Build your vocabulary by saving interesting words
Sync Across Devices
Your vocabulary syncs with your Lokia account automatically
Import to Your Account
Import YouTube videos with subtitles to study them later in your Lokia account
How to Install
Get started in less than 2 minutes
Choose Your Browser
Click on your preferred browser above to visit the extension store
Install Extension
Click "Add to Browser" and confirm the installation when prompted
Start Learning
Open a YouTube video with subtitles, enable subtitles if needed, then click words to translate and save them