vCaptions: YouTube AI Summary, Dual Subtitles & Transcript

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.