YouTube → Gemini Summarizer

Name: YouTube → Gemini Summarizer
Author: ValStack

Summarize any YouTube video in one click using Google Gemini. Just click the icon and Gemini explains the video for you instantly.

Download

Install

Features & Capabilities

No time to watch a 40-minute video? One click is all it takes.

Connect YouTube directly with Google Gemini.

How it works:

Open any YouTube video
Click the Extension toolbar icon (only active on YouTube video pages)
A new Gemini tab opens automatically
The prompt is typed and submitted for you
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.

User Growth & Download Statistics

Add-on

By:

ValStack

Daily users:

Version:

1.0 Last updated: 2026-04-29

Version code:

6236433

Creation date:

2026-04-26

Risk:

Permissions:

activeTab
tabs
storage
contextMenus
clipboardWrite
*://www.youtube.com/*
*://gemini.google.com/*

Content scripts matches:

gemini.google.com

Size:

12.90KB

Email:

jo*****@googlemail.com

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-17

Compare stats and ranking:

Ranking

# 46,602 ▼ 242

Other rankings

#26 in youtube summarizer keyword 53 ▼ 2

#28 in summarize youtube keyword 49 ▼ 1

#31 in youtube summary keyword 55 ▼ 1

#33 in ai youtube summary keyword 54 ▼ 1

#50 in ai summarizer keyword 22 ▼ 1

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For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

ValStack

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/youtube-gemini-summarizer/

Email:

jo*****@googlemail.com

Is YouTube → Gemini Summarizer Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

YouTube → Gemini Summarizer requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

YouTube → Gemini Summarizer is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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