Tube-Dubbing (Dev): Video Translation & Dubbing EN

Tube Dubbing makes watching foreign-language YouTube videos easier by automatically translating subtitles and generating AI voice dubbing right in your browser.

✨ Key features:
• Automatic subtitle translation powered by Google Gemini AI, supporting multiple target languages: Vietnamese, English, Japanese, Chinese, Korean, French, German, Spanish, Russian, Italian, Czech, Portuguese, Polish.
• Natural-sounding AI dubbing that plays exactly when each original subtitle line appears on screen — no drift, no mistiming.
• Choose a male or female dubbing voice and adjust reading speed (0.75x–1.5x).
• Automatically ducks (lowers) the original video volume while dubbing plays — no manual adjustment needed.
• View bilingual, translated-only, or original subtitles, search within subtitles, copy everything, or download as an .srt file.
• Translations are cached per video, so re-watching doesn't use up your API quota again.

🔑 How to use: just create a free Gemini API key at aistudio.google.com/api-keys and enter it in the extension's Settings — no sign-up, no login required.

🔒 Privacy: all data stays local on your device — there is no developer-operated backend server in between. See the full privacy policy for details.