YouTube Summarizer

Summarize and fact-check YouTube videos using AI. Get instant video summaries and verify claims with Google Gemini.

As of June 2026, YouTube Summarizer has 4 users in the Productivity category.

Productivity

Chrome Web Store ↗.crx

Users0%

Rating0%

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— reviews

Reviews0%

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Version

2.2

Manifest V3

History

2 snapshots

Tracking since May 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 1, 2026	4	—	—	2.2
May 7, 2026	3	—	—	2.2
Now	4	—	—	2.2

Permissions & access

Permissions: storage
Host access: https://generativelanguage.googleapis.com/*

Screenshots

About

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