Use ⌘+⇧+I for toggling fullscreen on any website.

Fullscreen is available to install from Firefox Browser Add-ons and for download from this page. It has 267 active users The latest version is 0.3.4, and it was published 2 years ago.

View source code
Total download count: 0 (Only count downloads from Firefox-Stats)
Install Fullscreen from Firefox Browser Add-ons
All available versions

You can find the current and older versions of Fullscreen 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
Version Download Size Download count Timestamp
0.3.4 Sign in to download 12.06K 0 2022-08-02
How to install Fullscreen from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install Fullscreen from a ZIP file
  1. Download the Fullscreen ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the Fullscreen ZIP file from step 1. Fullscreen is now installed on your browser.