YouTube Tab-Fullscreen

by xander1614 · Functionality & UI

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Twitch-style tab-fullscreen experience on YouTube

Users

+12 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#91K

#76K among extensions

Version

1.2.2

updated 19 Aug 2026

Users

monthly, 9 months

Latest, 15 Oct 2026: 79 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About YouTube Tab-Fullscreen

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