Zoom any YouTube video to fill your entire screen. Works with regular videos, Shorts in landscape, and embedded players.
See the difference on YouTube. No more wasted screen space.
Before – wasted screen space
After – fully filled
Navigate to any video on YouTube in your browser.
Click the fullscreen button or press F on the video player.
Open the UltraWideo panel and choose Upscale, Stretch, or Custom to fill your screen.
Not just one platform. YouTube, Netflix, Twitch, and any site with a video player.
Upscale, stretch, or custom scale. One mode active at a time for a simple experience.
Control everything from keyboard, mouse wheel, or touchscreen. Fully customizable.
All core features are free. Upgrade to Pro for per-site settings, ambient light, and sync.
Works on Chrome, Firefox, Edge, Brave, Arc, and all Chromium-based browsers.