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Frequently Asked Questions & Contact Support
No installation is required to use the web application dashboard. The browser companion is an optional Google Chrome extension that runs directly on YouTube video pages.
We support any language available on YouTube with subtitles. The Vibe Fluency extension interface is fully localized in 12 major languages.
Yes, absolutely! The core Chrome Extension for analyzing videos, repeating lines, and downloading transcripts is completely free to use.
Yes! Any YouTube video that contains closed captions or subtitles (CC) can be instantly analyzed.
The extension allows you to select any subtitle line and set a continuous audio loop. It uses YouTube's native video player parameters to repeat that precise segment automatically, letting you listen to the exact native pronunciation as many times as you need.
Chrome Extensions are only officially supported on desktop browsers like Chrome, Edge, and Brave.

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🚀 Accelerate Your Fluency with Vibe Fluency Companion

Turn any YouTube video into an interactive language lesson. Practice listening, shadowing, and vocabulary effortlessly.

✨ Real-time dual subtitles & Instant AI definitions 🎧 10x Audio Loop Listening & Shadowing mode 🌍 Supports 12+ languages & 100% Free
Add to Chrome - Free Extension ➔