Who should use Better YouTube Theatre Mode?

Better YouTube Theatre Mode is an open-source project built for youTube viewers using Firefox.

Is Better YouTube Theatre Mode free?

Yes — Better YouTube Theatre Mode is open source under the Open Source license and free to use.

What platforms does Better YouTube Theatre Mode run on?

Better YouTube Theatre Mode runs on the web and embeddable surfaces.

Is Better YouTube Theatre Mode still active?

Unverified. Better YouTube Theatre Mode 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 Better YouTube Theatre Mode?

Similar projects tracked by PulseGate include YouTube Auto Theater, Better Subscriptions for YouTube, and YouTube Windowed FullScreen.

Who develops Better YouTube Theatre Mode?

Better YouTube Theatre Mode is developed by Sebbev.

When did Better YouTube Theatre Mode launch?

Better YouTube Theatre Mode first shipped in 2023.

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Better YouTube Theatre Mode

Name: Better YouTube Theatre Mode
Author: Sebbev

github.comBrowser DevTools & extensions

Better YouTube Theatre Mode is an open-source Firefox extension that improves YouTube's theatre mode by expanding the video area to use available screen height. It is intended for viewers who want a larger video presentation without switching to full screen.

Open SourceWebEmbeddableCloud-managed

Visit github.com

Overview

4 features

Better YouTube Theatre Mode sits in PulseGate's Browser DevTools & extensions category. It focuses on making YouTube theatre-mode videos larger by using the available screen height. Better YouTube Theatre Mode is an open-source project aimed at youTube viewers using Firefox. The project is open source (Open Source). It ships for the web and embeddable surfaces.

Behind Better YouTube Theatre Mode is Sebbev, and it first shipped in 2023. Key capabilities include expanded theatre mode, height optimization, and firefox support.

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

Expanded theatre mode
Height optimization
Firefox support
YouTube integration

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 21:03 UTC
Better YouTube Theatre Mode verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Better YouTube Theatre Mode

What does Better YouTube Theatre Mode do?: Better YouTube Theatre Mode focuses on making YouTube theatre-mode videos larger by using the available screen height. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Better YouTube Theatre Mode?: Better YouTube Theatre Mode is an open-source project built for youTube viewers using Firefox.
Is Better YouTube Theatre Mode free?: Yes — Better YouTube Theatre Mode is open source under the Open Source license and free to use.
What platforms does Better YouTube Theatre Mode run on?: Better YouTube Theatre Mode runs on the web and embeddable surfaces.
Is Better YouTube Theatre Mode still active?: Unverified. Better YouTube Theatre Mode 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 Better YouTube Theatre Mode?: Similar projects tracked by PulseGate include YouTube Auto Theater, Better Subscriptions for YouTube, and YouTube Windowed FullScreen.YouTube Auto Theater Better Subscriptions for YouTube YouTube Windowed FullScreen
Who develops Better YouTube Theatre Mode?: Better YouTube Theatre Mode is developed by Sebbev.
When did Better YouTube Theatre Mode launch?: Better YouTube Theatre Mode first shipped in 2023.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: YouTube viewers using Firefox
Model: Open source
Solves: Making YouTube theatre-mode videos larger by using the available screen height.

Registered as

Firefox Add-ons: better-youtube-theatre-mode

Developer

Sebbev

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: better-youtube-theatre-mode-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 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: 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: 9 Sept 2026
Canonical URL: https://github.com/Sebbev/better-youtube-theatre-mode

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