Who is YouTube Summarizer for?

YouTube Summarizer is a consumer product built for youTube viewers who want AI-generated video summaries.

Is YouTube Summarizer free?

No — YouTube Summarizer is paid.

What platforms does YouTube Summarizer run on?

YouTube Summarizer runs on the web and embeddable surfaces.

Is YouTube Summarizer still active?

Unverified. YouTube Summarizer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to YouTube Summarizer?

Similar projects tracked by PulseGate include AI Summarizer, YTSummarizer, and YouTube summaries extension.

Who develops YouTube Summarizer?

YouTube Summarizer is developed by SA.

How long has YouTube Summarizer been around?

YouTube Summarizer first shipped in 2024.

Back to the index

YouTube Summarizer

Name: YouTube Summarizer
Author: SA

mozilla.orgChatbots & assistants

YouTube Summarizer is a Firefox browser extension that summarizes YouTube videos using AI. It requires the user to provide an OpenAI or Anthropic API key and requests access to YouTube and those provider APIs.

PaidWebEmbeddable

Visit mozilla.org

7alternatives

6features

2024since

Overview

6 features

In the Chatbots & assistants space, YouTube Summarizer takes a focused approach. It focuses on getting concise summaries of YouTube videos without watching them in full. YouTube Summarizer is a consumer product aimed at youTube viewers who want AI-generated video summaries. Pricing is paid. It ships for the web and embeddable surfaces.

It is developed by SA, and it first shipped in 2024. PulseGate's similarity index places it among 7 comparable projects. Key capabilities include video summarization, youTube integration, and openAI support. The interface is available in 32 languages, including Czech, German, and Greek. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

Video summarization
YouTube integration
OpenAI support
Anthropic support
API key configuration
Firefox extension

Built with & integrations

AI providers

anthropicopenaimultiple

Connectors

API

Runs on

BrowserEmbeddable

Detected from

openai: .openai in the HTML
anthropic: .anthropic in the HTML

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed20 Sep · 00:09 UTC
YouTube Summarizer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about YouTube Summarizer

What does YouTube Summarizer do?: YouTube Summarizer focuses on getting concise summaries of YouTube videos without watching them in full. It is catalogued under Chatbots & assistants on PulseGate.
Who is YouTube Summarizer for?: YouTube Summarizer is a consumer product built for youTube viewers who want AI-generated video summaries.
Is YouTube Summarizer free?: No — YouTube Summarizer is paid.
What platforms does YouTube Summarizer run on?: YouTube Summarizer runs on the web and embeddable surfaces.
Is YouTube Summarizer still active?: Unverified. YouTube Summarizer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to YouTube Summarizer?: Similar projects tracked by PulseGate include AI Summarizer, YTSummarizer, and YouTube summaries extension.AI Summarizer YTSummarizer YouTube summaries extension
Who develops YouTube Summarizer?: YouTube Summarizer is developed by SA.
How long has YouTube Summarizer been around?: YouTube Summarizer first shipped in 2024.

At a glance

Pricing: Paid · pricing page detected
Platforms: Web
Built for: YouTube viewers who want AI-generated video summaries
Model: B2C
Solves: Getting concise summaries of YouTube videos without watching them in full.

Registered as

Firefox Add-ons: youtube-summarizer

Developer

Index record

Indexed: 20 Sep 2026
Lifecycle: Alive
Last seen: 20 Sep 2026

Identity audit (13)

Slug: youtube-summarizer-mozilla-org
Lifecycle state recorded: 20 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 20 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 20 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-summarizer

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