LingTube - YouTube Subtitle Translator & AI Dubbing

LingTube is a YouTube video speech translation, subtitle translation, and AI dubbing extension. Open a video and start it with one click: LingTube translates foreign-language captions or recognizes speech in videos without captions, then reads/dubs the translation in a natural voice, so you can quickly understand foreign-language YouTube videos without constantly watching subtitles.

Enjoy instant AI dubbing and subtitle translation across YouTube, Coursera, Udemy, Bilibili.tv, and TikTok—simply play any video to get started immediately. Ideal for language learning, courses, technical tutorials, news, podcasts, anime, movie clips, and watching during a commute.

Key features

• YouTube video translation: translate subtitles, speech, and no-caption video content

• Bilingual subtitles: translation + original on screen, or translation-only/original-only

• AI dubbing / subtitle read-aloud: read translations with natural Edge TTS or browser voices

• No-caption handling: auto speech-to-text transcription, then translate and read it aloud

• AI video summary / summarizer: summarize YouTube videos, extract key points, explain terms, find timestamps

• AI learning: generate vocabulary, grammar, exercises, scoring, and review content

• One-click start/stop with Alt+Shift+V hotkey, audio mixing with separate volume controls