CRX id
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Description from extension meta
As a simple extension, it allows you to instantly show or hide subtitles on YouTube videos, enhancing the viewing experience.
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Description from store
🎥 Summarize YouTube Captions with AI – The Ultimate Time-Saving Chrome Extension
ChatGPT / Claude / Gemini Integration ｜ 100% Free ｜ No Sign-up Required
YouTube is no longer just for entertainment.
It's become an essential tool for learning, research, business input, language study, and skill development.
But let’s face it—there are some common frustrations:
😩 The Common YouTube Struggles You’ve Probably Faced
- “This video is over 30 minutes long... Do I really have time for this?”
- “I started watching, but I couldn’t find the main point.”
- “The video is in a language I’m not fluent in, and the subtitles aren’t helping much.”
- “I left it playing in the background but didn’t absorb anything.”
- “Saved it for later... but never went back.”
YouTube is powerful, but not built for efficient information extraction.
Watching everything in full takes too long. Skimming risks missing what matters.
In short—the time performance is low.
This extension solves that by letting you display YouTube captions clearly alongside the video and send them with a single click to AI tools like ChatGPT, Claude, or Gemini for instant summarization.
✅ What This Extension Can Do
- 📄 Display YouTube captions in real time, with improved readability (including auto-generated subtitles)
- 🤖 One-click summary requests to ChatGPT, Claude, or Gemini
- 💬 Pre-filled prompts—no copy/pasting required
- 🌐 Supports multilingual subtitles (e.g., Japanese, Chinese, Spanish) with summaries in your preferred language
- 🔓 100% free, no registration, no ads, no data collection
💡 Perfect for These Use Cases
- 🎓 Want to extract key takeaways from long lectures or interviews
- 🌍 Need to understand videos in foreign languages quickly and clearly
- 🧠 Prefer to preview a video’s content before deciding to watch
- 🗂 Want to save summarized content for notes, research, or reports
🎯 When You Boost Time Performance, Everything Changes
For example:
A 60-minute interview in a foreign language.
→ Open the captions, click a button, and get an AI-generated summary.
→ Within 3 minutes, you know the key points—without watching it all.
This extension creates a “know-before-you-watch” experience,
letting you save time, stay focused, and learn more deeply.
Say goodbye to mindless browsing or abandoned watch lists.
🛡 Privacy & Safety
- Caption data is processed locally in your browser only
- No data is ever sent to external servers
- AI summary requests are triggered manually by you
- The developer never collects or stores any captions or video data
👥 Who It’s For
✅ Busy professionals who want smarter input, not just more content
✅ Language learners who rely on subtitles but need more clarity
✅ Knowledge workers who need summaries they can quickly act on
✅ YouTube power users with overflowing "Watch Later" lists
🚀 Try the “Time-Performance Boost” Now
Just install the extension—no sign-up, no setup.
Instant AI-powered summaries from YouTube captions.
Requires an existing account with ChatGPT, Claude, or Gemini to access their respective AI platforms.
🎯 Don’t watch the whole video only to regret it—ask AI for the key takeaways first.
With Captions × AI, YouTube becomes your smartest information tool.