YouTube Summarizer

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Overview

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

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Details

Version
2.2
Updated
March 12, 2026
Flag concern
Size
40.96KiB
Languages
English
Developer
Email
marvelousPizza@proton.me
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

YouTube Summarizer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.