Who should use YouTube MP4?

YouTube MP4 is a consumer product built for firefox users who want to view eligible YouTube videos in raw MP4 format.

Does YouTube MP4 have a free plan?

Yes — YouTube MP4 is free to use.

What platforms does YouTube MP4 run on?

YouTube MP4 runs on the web and embeddable surfaces.

Is YouTube MP4 still active?

Unverified. YouTube MP4 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 are alternatives to YouTube MP4?

Similar projects tracked by PulseGate include Youtube Download as MP4, YouTube Download, and YouTube.

Who develops YouTube MP4?

YouTube MP4 is developed by ytmp4.

When did YouTube MP4 launch?

YouTube MP4 first shipped in 2016.

Back to the index

YouTube MP4

Name: YouTube MP4
Author: ytmp4

mozilla.orgDownloaders & offline video

YouTube MP4 is a Firefox browser extension that opens suitable YouTube video URLs as raw MP4 content directly in Firefox. It supports videos under Creative Commons or public-domain licenses and provides notifications about available videos and formats.

FreeWebEmbeddable

Visit mozilla.org

Overview

4 features

YouTube MP4 is a Downloaders & offline video project. It focuses on viewing eligible Creative Commons and public-domain YouTube videos directly as raw MP4 content in Firefox. YouTube MP4 is a consumer product aimed at firefox users who want to view eligible YouTube videos in raw MP4 format. It is available for free. It runs on the web and embeddable surfaces.

ytmp4 builds and maintains YouTube MP4, and it first shipped in 2016. Key capabilities include Raw MP4 viewing, format notifications, and Video URL handling. The interface is available in 32 languages, including Czech, German, and Greek.

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

Raw MP4 viewing
Format notifications
Video URL handling
Browser notifications

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 02:26 UTC
YouTube MP4 verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about YouTube MP4

What is YouTube MP4?: YouTube MP4 focuses on viewing eligible Creative Commons and public-domain YouTube videos directly as raw MP4 content in Firefox. It is catalogued under Downloaders & offline video on PulseGate.
Who should use YouTube MP4?: YouTube MP4 is a consumer product built for firefox users who want to view eligible YouTube videos in raw MP4 format.
Does YouTube MP4 have a free plan?: Yes — YouTube MP4 is free to use.
What platforms does YouTube MP4 run on?: YouTube MP4 runs on the web and embeddable surfaces.
Is YouTube MP4 still active?: Unverified. YouTube MP4 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 are alternatives to YouTube MP4?: Similar projects tracked by PulseGate include Youtube Download as MP4, YouTube Download, and YouTube.Youtube Download as MP4 YouTube Download YouTube
Who develops YouTube MP4?: YouTube MP4 is developed by ytmp4.
When did YouTube MP4 launch?: YouTube MP4 first shipped in 2016.

At a glance

Pricing: Free
Platforms: Web
First seen: 8 Sept 2026
Built for: Firefox users who want to view eligible YouTube videos in raw MP4 format
Model: B2C
Solves: Viewing eligible Creative Commons and public-domain YouTube videos directly as raw MP4 content in Firefox.

Registered as

Firefox Add-ons: youtube-mp4-viewer

Developer

ytmp4

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: youtube-mp4-mozilla-org
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-mp4-viewer

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