YouTube summary Chrome extension for watch pages
SummarizAI is a Chrome extension that adds AI YouTube summaries with chapters and clickable timestamps on every youtube.com/watch page—tap Summarize beside Share.
Step 1: Add to Chrome
Click the button below. When CHROME_WEB_STORE_URL is configured on the server, it opens the Chrome Web Store listing automatically.
Step 2: Open a YouTube watch page
Navigate to any video on youtube.com/watch. After a moment, the Summarize control appears near Share.
Step 3: Sign in once (Free tier)
Free includes 3 distinct videos per UTC day. Sign-in syncs quota and preferences across devices.
Step 4: Tap Summarize
Read chapters-style sections and key ideas in under two minutes. Click timestamps to seek the player when you need to hear exact wording.
Developers: unpacked build
While iterating locally, load ce/dist/ as an unpacked extension—see the repo README for dev URLs.
Upgrade to Pro
Unlimited summaries when YouTube is daily infrastructure. Upgrade to Pro via Stripe checkout.
Guides: skim without watching, transcript quality, FAQ.