YouTube Tab-Fullscreen

Extension Functionality & UI31 users

Item media 1 (screenshot) for YouTube Tab-Fullscreen

Overview

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

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Details

Version
1.2.0
Updated
January 14, 2026
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Offered by
xander1614
Size
12.39KiB
Languages
English
Developer
Email
xander1614@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

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Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes