According to AlphaMoat, as of 2026-09, the Chrome extension YouTube Summary AI has 25 users (+38.9% MoM) — ranked #6,909 of 9,324 AI browser extensions, and #543 of 744 in Writing.
What is YouTube Summary AI
Summarize any YouTube video in seconds. Free AI summary or send to ChatGPT, Claude, Grok, or Gemini. Summarize any YouTube video in seconds — free AI summary built in, plus one-click handoff to ChatGPT, Claude, Grok, or Gemini.
YouTube Summary AI is a free Chrome extension that turns hours of YouTube into seconds of reading. Click the ✨ Summarize button next to YouTube's search bar and get a clean, timestamped bullet-point summary of any video — without leaving the page. You can also send the full transcript to ChatGPT, Claude, Grok, or Gemini in one click for follow-up questions, translations, or deeper analysis.
What makes YouTube Summary AI different?
Most YouTube summarizer extensions just open ChatGPT in another tab. We do that AND give you a free built-in AI summary — no signup, no API key, no account required. Three free summaries per day, unlimited handoffs to your favorite AI.
How do I summarize a YouTube video?
1. Open any YouTube video with captions. 2. Click the green ✨ Summarize button next to YouTube's search bar. 3. A summary slides in from the right with 5–10 bullet points, each starting with a clickable timestamp like [1:23]. 4. Click any timestamp to jump the video to that moment.
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No copy-paste, no manual prompting, no second tab.
Which AI models are supported?
- ChatGPT (OpenAI)
- Claude (Anthropic)
- Grok (xAI)
- Gemini (Google)
Send the full transcript to any of them with one click — ready for follow-up questions, translations, or in-depth analysis.
Can I customize the summary?
Yes. In the extension settings you can:
- Change the summary prompt (e.g. "summarize as action items" or "explain like I'm five")
- Choose the output language (English, Spanish, French, German, Hindi, Portuguese, Japanese, Chinese, and more)
- Save up to 5 follow-up prompts to reuse with the AI handoff
Is YouTube Summary AI free?
Yes. The free tier includes:
- 3 AI summaries per day
- Unlimited handoffs to ChatGPT, Claude, Grok, and Gemini
- Clickable timestamps and transcript extraction
- Light and dark mode
Pro removes the daily limit and supports new features as they ship.
Extension profile
User Growth Trend
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.