YouTube → Gemini Summarizer by ValStack
Summarize any YouTube video in one click using Google Gemini. Just click the icon and Gemini explains the video for you instantly.
Available on Firefox for Android™Available on Firefox for Android™
Extension Metadata
About this extension
No time to watch a 40-minute video? One click is all it takes.
Connect YouTube directly with Google Gemini.
How it works:
1. Open any YouTube video
2. Click the Extension toolbar icon (only active on YouTube video pages)
3. A new Gemini tab opens automatically
4. The prompt is typed and submitted for you
5. Read your summary in seconds
If automatic input fails, the prompt is copied to your clipboard with a notification — just paste it into
Gemini (Ctrl+V).
No login, no servers, no data collection.
Requires a Google account for gemini.google.com.
Connect YouTube directly with Google Gemini.
How it works:
1. Open any YouTube video
2. Click the Extension toolbar icon (only active on YouTube video pages)
3. A new Gemini tab opens automatically
4. The prompt is typed and submitted for you
5. Read your summary in seconds
If automatic input fails, the prompt is copied to your clipboard with a notification — just paste it into
Gemini (Ctrl+V).
No login, no servers, no data collection.
Requires a Google account for gemini.google.com.
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Permissions and data
Required permissions:
- Input data to the clipboard
- Access browser tabs
- Access your data for www.youtube.com
- Access your data for gemini.google.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0
- Size
- 12.9 KB
- Last updated
- 8 days ago (Apr 26, 2026)
- Related Categories
- License
- MIT License
- Version History
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