vCaptions: YouTube AI Summary, Dual Subtitles & Transcript

Get AI summaries, dual subtitles, and downloadable transcripts for YouTube & Bilibili. Translate videos instantly.

vCaptions is the ultimate AI video assistant and subtitle translator. It transforms how you watch online videos by generating interactive transcripts, providing AI-powered summaries, and enabling dual-language subtitles for effective learning. Whether you are a researcher, a student learning a new language, or just want to save time, vCaptions helps you digest video content 10x faster on YouTube, Bilibili, and any website with HTML5 video. ⭐ Key Features - Interactive Video Transcript: View the full subtitle list alongside playback. Click any caption line to instantly jump to that specific timestamp. - AI Summary & Chat (ChatGPT powered): Don't have time to watch the whole video? Get instant video summaries, key takeaways, and ask the AI questions about the content directly. - Dual Subtitles & Translation: Break language barriers with real-time subtitle translation. Enable dual captions (native + translated) for seamless language learning and comparison. - Smart Chapter Extraction: Automatically detect topics and generate video chapters for easy navigation, even if the creator didn't add them. - Subtitle Downloader: Easily copy captions to your clipboard or export subtitles as .SRT, .VTT, or .TXT files for offline use. - Flexible Layouts: Choose your preferred viewing mode — Sidebar, Floating Window (Picture-in-Picture style), or Embedded mode. The floating panel is fully resizable and draggable. - Customizable UI: Full Dark Mode support and font size adjustments for comfortable reading. 🎯 Optimized for Major Platforms - YouTube: Best-in-class support for YouTube videos, embedded players. - Bilibili: Optimized experience for Bilibili videos. 🚀 Use Cases - For Language Learners: Watch videos with bilingual subtitles to improve listening and vocabulary. - For Content Creators: Quickly download transcripts to repurpose video content into blog posts. - For Professionals: Use AI summarization to quickly grasp the main points of long webinars or tutorials. ❓ FAQ Q: Can I download YouTube subtitles with this extension? A: Yes! You can export captions in .srt or .vtt formats with one click. Q: Does it support translation? A: Yes, vCaptions provides translation to convert subtitles into your preferred language.