YouTube Tab-Fullscreen

Unknown author · Functionality & UI

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Aug 19, 2026

Media

2 items

Description

Twitch-style tab-fullscreen experience on YouTube YouTube Tab-Fullscreen Expand YouTube videos to fill your entire browser tab, similar to Twitch's theater mode. What It Does This extension adds a tab-fullscreen mode to YouTube. Unlike regular fullscreen, the video stays within your browser tab so you can still see other tabs and use browser shortcuts. Features - Expand videos beyond standard theater mode to fill your tab - Press Alt+T or click the toolbar button to toggle - Remembers your preference as you browse videos - Matches YouTube's native design - Lightweight (under 50KB) How to Use 1. Install the extension 2. Go to any YouTube video 3. Click the button in video controls or press Alt+T Privacy - No data collection or tracking - No external connections - Only requires activeTab permission Compatibility - Works on all YouTube video pages - Supports Chrome, Edge, Brave, and Firefox - Compatible with YouTube Premium and other extensions

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
22
Description length
Characters in the listing description.
967
Media assets
Screenshots and videos on the listing.
2
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
72.2

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.

Description

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
22
Description length
Characters in the listing description.
967
Media assets
Screenshots and videos on the listing.
2
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
72.2

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.