Who should use Responsive YouTube?

Responsive YouTube is a consumer product built for youTube viewers using Firefox.

Is Responsive YouTube free?

Yes — Responsive YouTube is free to use.

What platforms does Responsive YouTube run on?

Responsive YouTube runs on the web and embeddable surfaces.

Is Responsive YouTube still maintained?

Unverified. Responsive YouTube 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 Responsive YouTube?

Similar projects tracked by PulseGate include Full YouTube Theater, Better YouTube Theatre Mode, and YouTube Cinema.

Who makes Responsive YouTube?

Responsive YouTube is developed by blaise-io.

How long has Responsive YouTube been around?

Responsive YouTube first shipped in 2016.

Back to the index

Responsive YouTube

Name: Responsive YouTube
Author: blaise-io

github.comBrowser DevTools & extensions

Responsive YouTube is a Firefox browser extension that enlarges YouTube videos when theater mode is enabled. It adjusts the video layout to use more available screen space for viewers.

FreeWebEmbeddable

Visit github.com

Overview

4 features

Responsive YouTube sits in PulseGate's Browser DevTools & extensions category. It focuses on making YouTube theater-mode videos larger and more responsive within the browser. Responsive YouTube is a consumer product aimed at youTube viewers using Firefox. Responsive YouTube is free to use. Responsive YouTube is available on the web and embeddable surfaces.

blaise-io builds and maintains Responsive YouTube, and it first shipped in 2016. Key capabilities include theater mode support, video maximization, and responsive layout.

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

Theater mode support
Video maximization
Responsive layout
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 14:06 UTC
Larger YouTube videos in theater mode verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Responsive YouTube

What does Responsive YouTube do?: Responsive YouTube focuses on making YouTube theater-mode videos larger and more responsive within the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Responsive YouTube?: Responsive YouTube is a consumer product built for youTube viewers using Firefox.
Is Responsive YouTube free?: Yes — Responsive YouTube is free to use.
What platforms does Responsive YouTube run on?: Responsive YouTube runs on the web and embeddable surfaces.
Is Responsive YouTube still maintained?: Unverified. Responsive YouTube 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 Responsive YouTube?: Similar projects tracked by PulseGate include Full YouTube Theater, Better YouTube Theatre Mode, and YouTube Cinema.Full YouTube Theater Better YouTube Theatre Mode YouTube Cinema
Who makes Responsive YouTube?: Responsive YouTube is developed by blaise-io.
How long has Responsive YouTube been around?: Responsive YouTube first shipped in 2016.

At a glance

Pricing: Free
Platforms: Web
Languages: English
First seen: 11 Sep 2026
Built for: YouTube viewers using Firefox
Model: B2C
Solves: Making YouTube theater-mode videos larger and more responsive within the browser.

Registered as

Firefox Add-ons: large-youtube

Developer

blaise-io

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: larger-youtube-videos-in-theater-mode-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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: 11 Sep 2026
Canonical URL: https://github.com/blaise-io/reponsive-youtube

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