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Summarize and fact-check YouTube videos using AI. Get instant video summaries and verify claims with Google Gemini. Get instant AI-powered summaries and fact-checks for any YouTube video — right from the video page. FEATURES - One-click summaries: Click "Summarize this" next to any video title to get a clear, structured summary with key points - Fact-checking: Use the dropdown to fact-check claims made in the video — get a reliability assessment for each claim - Multi-language support: Configure your preferred languages — summaries are generated in the video's language if it matches your preferences - Local caching: Previously generated results are cached locally so you don't waste API calls on videos you've already summarized - Privacy-first: No data collection, no tracking, no analytics. Your API key stays in your browser HOW IT WORKS 1. Install the extension 2. Get a free API key from Google AI Studio (https://aistudio.google.com/apikey) 3. Open the extension settings and paste your API key 4. Go to any YouTube video — you'll see a "Summarize this" button next to the title 5. Click it to get an AI summary, or use the dropdown for a fact-check
Jun 22, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.