Make the YouTube player fit all of your screen when opening fullscreen mode.
NOTE: After installing, click on the extension and grant the authorization to access YouTube
YouTube Fullscreen Fit is available to install from Firefox Browser Add-ons and for download from this page. It has 849 active users The latest version is 1.5, and it was published a day ago.
Install from Firefox Browser Add-onsTotal download count: 0
All available versions
You can find the current and older versions of YouTube Fullscreen Fit here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
5 versions available for download. Install XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the YouTube Fullscreen Fit ZIP file
- In Firefox browser, go to
about:addons
to open Add-ons Manager - Click on , then select Install Add-on From File
- Select the YouTube Fullscreen Fit ZIP file from step 1. YouTube Fullscreen Fit is now installed on your browser.