An extremely simple extension which maximises the Firefox window on program startup and switches to fullscreen mode.

What is ForceFull?
ForceFull is a convenient Firefox add-on designed to auto-maximize the Firefox window and switch to fullscreen mode upon startup. This key function takes effect only during the program's startup and not with every new window. Notably, it exclusively affects the primary window, meaning users with multiple screens may experience limitations. To exit fullscreen, press F11, or simply disable the add-on if needed.
Users: 1,285 ▲ 11
Rating: 4.69 (13)
Version: 1.0.3resigned1 (Last updated: 2024-04-25)
Creation date: 2017-11-16
Weekly download count: 39
Firefox on Android: Yes
Risk impact: Very low risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Size: 15.45K
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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An extremely simple extension which maximises the Firefox window on program startup and switches to fullscreen mode. To exit full-screen mode simply press F11 or forgo switching to fullscreen mode by disabling or removing the extension.

Please note that this works only on program startup, not with every new window opened. Only the primary window will be switched to fullscreen mode, which may be an issue if you try to run multiple screens.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Easy to use
  • Starts in full screen automatically
  • Saves time from pressing F11 each time
  • Prevents TV burn-ins
  • Improves full screen performance
  • Issues with full screen upon installation
  • Invisibility in add-on customization
Most mentioned
  • Automatic full screen
  • Ease of use
  • Functionality after installation
Recent reviews
欢迎光临翻墙部落! 打开天窗,听听外面的声音! 穿越迷雾,寻找人生真谛!
by 翻墙部落, 2022-12-27
View all user reviews
Risk impact

ForceFull is safe to use. It does not request any sensitive permissions.

Risk likelihood

ForceFull is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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