Immersive Fullscreen

by souza.igor · Functionality & UI

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Fills your entire screen in YouTube fullscreen mode. No black bars, just the video.

Users

+7 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#168K

#140K among extensions

Version

1.0.0

updated 30 Jul 2026

Users

monthly, 3 months

Latest, 16 Oct 2026: 15 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 16 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 Immersive Fullscreen

Immersive Fullscreen makes YouTube videos fill your entire display when you go fullscreen. No black bars on the sides, no wasted pixels. Just the video, edge to edge. Perfect for ultrawide monitors, tall screens, or any display whose aspect ratio doesn’t match the video. FEATURES Automatic: works the moment you enter fullscreen, no setup needed Edge-to-edge video: fills your entire screen, eliminating black bars Floating toggle: a discreet on-screen button lets you switch the effect on or off without leaving fullscreen Restores instantly: the original layout comes back as soon as you exit fullscreen Lightweight: a single small script, no frameworks, no bloat HOW TO USE Install the extension Open any video on YouTube Press F or click the fullscreen button Enjoy the video filling your whole screen PRIVACY Immersive Fullscreen does not collect, store, or transmit any data. It runs entirely on your browser, only on youtube.com, and makes no network requests. The source code is minimal and fully inspectable.