Full screen websites without address/tabs bar.
Use Ctrl+Shift+F to enter Fullscreen

Fullscreen Plus - Firefox Add-On for Fullscreen Navigation
'Fullscreen Plus' is a Firefox add-on that allows users to view websites in full screen without the distraction of the address or tabs bar. The feature can be triggered using Control+Shift+F. Apart from enhancing the user experience, the add-on also requires content script permission and doesn't work on the addons.mozilla.org website. The code for this add-on is publicly available for audit.
Add-on stats
Manifest V2
Weekly download count: 54
Firefox on Android: No
Size: 9.76K
Email: tr*****@gmail.com
URLs: Website
Full description: See detailed description
Ranking
User reviews
Pros
- Allows users to enter full-screen mode without toolbar distractions
- Works effectively for users who follow the configuration instructions
- Compatible with macOS systems after adjustments
Cons
- Requires manual configuration in about:config to work
- Many users report it does not function as expected
- Some users find it unreliable, with inconsistent behavior on different sites
Most mentioned
- Needs 'full-screen-api.allow-trusted-requests-only' set to false in about:config
- Several users reported that it does not work for them
- Some users successfully got it to work on macOS after configuration changes
User reviews
by 敬念法轮大法好远离瘟疫, 2025-02-11
Does not work. Appears to be abandoned.
by Firefox user 18313083, 2024-03-04
Add-on safety
Risk impact
Fullscreen Plus requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Fullscreen Plus. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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