TubeBrief — AI YouTube Video Summarizer

Tracking since Apr 1, 2026.

Changelog

• Apr 17, 2026
  description

  🎯 Summarize any YouTube video in seconds — not hours. TubeBrief gives you AI-powered structured notes, clickable timestamps, full transcripts, and lets you chat with any video.
  
  Used by students, researchers, and professionals to save 10+ hours per week on YouTube content.
  
  ⚡ HOW IT WORKS
  1. Open any YouTube video
  2. Click the TubeBrief icon or press Alt+S
  3. Get an organized summary in seconds — for free
  
  ✨ WHAT YOU GET
  
  📝 AI-Powered Summaries — One click turns any video into organized notes with key points, topic tags, and a concise overview. Powered by Google Gemini (free, no signup required).
  
  ⏱️ Clickable Timestamps — Each section maps to the video's Most Replayed moments. Click any timestamp to jump directly to that part.
  
  📋 7 Summary Formats — Choose the format that fits your workflow: Structured Notes, Executive Brief, Study Guide, Meeting Notes, Bullet Points, TL;DR, or Article.
  
  📄 Full Transcript — Access the complete video transcript with timestamps. Copy everything with one click for your notes, blog posts, or research.
  
  💬 Chat with Any Video — Ask follow-up questions and get answers grounded in the actual transcript. Like having a conversation with the video content.
  
  🌍 Works in Any Language — Supports every language with captions or auto-generated subtitles. Summarize videos from any country.
  
  ⌨️ Keyboard Shortcut — Press Alt+S to toggle the sidebar instantly. No clicking needed.
  
  🔒 PRIVACY & SECURITY
  • Your API keys never leave your device
  • Zero tracking, zero data collection, zero ads
  • Transcripts processed by AI, never stored on our servers
  
  🆓 100% FREE TO START
  Quick Summary works with a free Google Gemini API key — get yours in 10 seconds at aistudio.google.com/apikey. No credit card, no account creation, no limits on free summaries.
  
  💎 PRO — For Power Users
  Unlock advanced AI models (OpenAI GPT-4o, Anthropic Claude, Google Gemini Pro, Mistral), unlimited chat with video, export summaries, and priority support — starting at $3/month.
  
  🎓 PERFECT FOR
  • Students — Turn lectures and tutorials into study notes
  • Researchers — Extract key findings from conference talks
  • Professionals — Summarize webinars and training videos
  • Content Creators — Repurpose video content into written formats
  • Anyone who wants to learn faster from YouTube
  
  📧 Support: [email protected]
  🌐 Website: https://stefanof84ita.github.io/tubebrief/

  🎯 Summarize any YouTube video in seconds — not hours. TubeBrief gives you AI-powered structured notes, clickable timestamps, full transcripts, and lets you chat with any video.
  
  
  ⚡ HOW IT WORKS
  1. Get a Gemini API key at aistudio.google.com/apikey (no credit card needed)
  2. Paste it in TubeBrief settings
  3. Open any YouTube video, click the TubeBrief icon or press Alt+S
  4. Get an organized summary in seconds
  
  
  ✨ WHAT YOU GET
  
  📝 AI-Powered Summaries — One click turns any video into organized notes with key points, topic tags, and a concise overview. Powered by Google Gemini.
  
  ⏱️ Clickable Timestamps — Each section maps to the video timeline. Click any timestamp to jump directly to that part.
  
  
  📋 7 Summary Formats — Choose the format that fits your workflow: Structured Notes, Executive Brief, Study Guide, Meeting Notes, Bullet Points, TL;DR, or Article.
  
  📄 Full Transcript — Access the complete video transcript with timestamps. Copy everything with one click for your notes, blog posts, or research.
  
  💬 Chat with Any Video — Ask follow-up questions and get answers grounded in the actual transcript. Like having a conversation with the video content.
  
  🌍 Works in Any Language — Supports every language with captions or auto-generated subtitles. Summarize videos from any country.
  
  ⌨️ Keyboard Shortcut — Press Alt+S to toggle the sidebar instantly. No clicking needed.
  
  GETTING STARTED
  Quick Summary uses your own Google Gemini API key. Get one at aistudio.google.com/apikey — no credit card needed. You get 5 summaries per day.
  
  💎 PRO — For Power Users
  Upgrade for unlimited daily summaries, advanced AI models (OpenAI GPT-4o, Anthropic Claude, Mistral), chat with video, export summaries, and priority support — starting at $3/month.
  
  🔒 PRIVACY & SECURITY
  • Your API keys are stored locally and never leave your device. 
  • Zero tracking, zero data collection, zero ads. 
  •.Transcripts are processed by AI and never stored on our servers.
  
  🆓 100% FREE TO START
  Quick Summary works with a free Google Gemini API key — get yours in 10 seconds at aistudio.google.com/apikey. No credit card, no account creation, no limits on free summaries.
  
  💎 PRO — For Power Users
  Unlock advanced AI models (OpenAI GPT-4o, Anthropic Claude, Google Gemini Pro, Mistral), unlimited chat with video, export summaries, and priority support — starting at $3/month.
  
  🎓 IDEAL FOR
  • Students — Turn lectures and tutorials into study notes
  • Researchers — Extract key findings from conference talks
  • Professionals — Summarize webinars and training videos
  • Content Creators — Repurpose video content into written formats
  • Anyone who wants to learn faster from YouTube
  
  📧 Support: [email protected]
  🌐 Website: https://stefanof84ita.github.io/tubebrief/

• Apr 17, 2026
  short_description

  Summarize any YouTube video in seconds with AI. Get notes, timestamps, transcripts & chat with videos. Free with Gemini — no signup.

  Summarize any YouTube video in seconds with AI. Get structured notes, timestamps, transcripts & chat with videos.

• Apr 17, 2026
  host_permissions

  https://www.youtube.com/*, https://generativelanguage.googleapis.com/*, https://api.openai.com/*, https://api.anthropic.com/*, https://api.mistral.ai/*

  https://www.youtube.com/*, https://generativelanguage.googleapis.com/*, https://api.openai.com/*, https://api.anthropic.com/*, https://api.mistral.ai/*, https://www.google-analytics.com/*

Permissions & access

Permissions

storageactiveTab

Host access

https://www.youtube.com/*, https://generativelanguage.googleapis.com/*, https://api.openai.com/*, https://api.anthropic.com/*, https://api.mistral.ai/*, https://www.google-analytics.com/*

Screenshots