6 items
Turn YouTube, Netflix, and other sites into language lessons with clickable captions and vocabulary tracking. --- **WHAT IS ROOSTER VIDEO TOOLS?** - The **ULTIMATE** extension for language learning through video websites! - Available for Web Browsers (Chrome/Chromium) [Tablet supported] - Support for [**75+** Websites](https://languagemaster.io/supported-websites) in **150+** Languages. - Powered by industry leading AIs to enhance language immersion and understanding. - Integrate your [LingQ](https://lingq.com?referral=roosterburton) account or use the native [LanguageMaster](https://languagemaster.io) lesson system. - New users should refer to the [Getting Started Guide](https://app.languagemaster.io/rooster-docs). - Free and Premium (subscription) options available.
Sep 17, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.