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
- Version1.2.0
- UpdatedJanuary 14, 2026
- Offered byxander1614
- Size12.39KiB
- LanguagesEnglish
- Developer
Email
xander1614@gmail.com - Non-traderThis 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
This developer declares that your data is
- 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