12:42
Available on Firefox Add-ons ↗
A YouTube video.
A YouTube video.
One click. Your summary.
The extension adds a native Summarize button directly in YouTube. Click it to open Gemini with the video link and your 100% customizable prompt.
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Summarize
84K views · 2 days ago
Dans cette vidéo, on découvre les idées essentielles du sujet...
YouTube → Summarize → Gemini.
A seamless flow, no copy-pasting, no wasted time.
1. Pick your video
On YouTube, open any video or browse your home feed, subscriptions, and recommendations.
2. Click Summarize
A native button is seamlessly placed below the player and at the top of the three-dots menu on every card.
3. Gemini takes over
Gemini opens in a new tab with your custom prompt and the video link, ready for immediate analysis.
Total Freedom
Your prompt, tailored by yourself.
Unlike rigid extensions, you have absolute control over the prompt sent to Gemini. Customize it anytime in the options for your workflow: quick summary, action plan, simplified explanation, or in-depth analysis.
✦ Test your prompts live
The video YouTube URL is automatically appended to the end of your text.
Preview sent to Gemini
Summarize this video: https://www.youtube.com/watch?v=dQw4w9WgXcQ
No tracking. No intermediate servers.
Your prompt is stored exclusively locally inside your Firefox browser. The extension operates without servers, telemetry, or saved history.
Read the privacy policy →Add Summarize to YouTube.
Free, lightweight, and open source. Install in one click on Firefox.