TubeCaps for YouTube

by LunacyDev · lunacydev.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 19 Oct 2026

Lunacy subtitle assistant for YouTube with multi-provider model support.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#258K

#215K among extensions

Version

1.1.0

updated 7 Apr 2026

Users

monthly, 7 months

Latest, 19 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 19 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About TubeCaps for YouTube

TubeCaps helps you get more value from any YouTube video. Turn videos into readable transcripts, AI-powered script analysis, and practical takeaways you can reuse in your own work. Why install TubeCaps: - Smart Transcripts: Read clean, well-structured video transcripts with better segmentation. - Script Diagnosis: Analyze hooks, curiosity gaps, pacing, visual storytelling, and structure. - Actionable Takeaways: Learn what makes top-performing videos work and apply those patterns to your own content. - AI Chat Assistant: Ask questions, brainstorm rewrites, generate ideas, or summarize long videos in seconds. - Bring Your Own Models: Connect your own API keys from OpenAI, Gemini, Claude, DeepSeek, and more. - Privacy-First: Your API keys and data stay on your device. We never see your keys. - Global Support: Available in English, Chinese (Simplified and Traditional), Japanese, Korean, French, German, Spanish, and Portuguese. Whether you're a creator, marketer, researcher, or power viewer, TubeCaps gives you a faster way to study what works on YouTube. Install TubeCaps and make every video more useful.