LingTube

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. Enjoy instant AI dubbing and subtitle translation across YouTube, Coursera, Udemy, Bilibili.tv, and TikTok. 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 content - Bilingual subtitles: translation + original on screen - AI dubbing: read translations with natural voices - No-caption handling: auto speech-to-text then translate and read - Context-aware translation: supports Google Translate and OpenAI APIs - AI learning: vocabulary, grammar, exercises and scoring - AI video summarizer: summarize videos and extract key points - One-click start/stop with Alt+Shift+V hotkey support