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Add bilingual subtitles, instant word lookup, vocabulary saving, AI summaries, video chat, and SRT export to YouTube. 1. You can watch YouTube videos with bilingual subtitles, translate captions, click any word to look it up instantly, and save useful vocabulary while watching. 2. TubeLingo also helps you understand long videos faster. You can generate AI video summaries in one click, extract key points, and chat with the video content. 3. You can also export subtitles as SRT files for study, review, or editing. Whether you are learning English, Japanese, Korean, Chinese, Spanish, or Portuguese, TubeLingo helps you understand real YouTube videos more easily, build vocabulary in context, and reduce switching between YouTube, translation tools, and note-taking apps.