Fixed-width and CSS Annihilator

Fixed-width and CSS Annihilator

Provides key shortcuts for removing fixed-width page styling, un-sticking "fixed" elements and disabling CSS completely.

What is Fixed-width and CSS Annihilator?

Fixed-width and CSS Annihilator is a Firefox add-on that provides key shortcuts for removing fixed-width page styling, un-sticking 'fixed' elements, and disabling CSS completely.

Stats date:
Users: 62 ▲ 3
Rating: 4.80 (5)
Version: 1.1.0 (Last updated: 2019-08-03)
Creation date: 2018-11-29
Weekly download count: NaN
Firefox on Android: No
Manifest version: 2
  • activeTab
Size: 34.09K
Email: Click to see
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge


Key shortcuts:

  • Shift+Alt+X: De-widthify current page (and un-stick fixed page elements)
  • Shift+Alt+A: Disable all styles (CSS) on current page
This addon does not work well on some websites. The web is too complex to make a perfect solution.

To "undo" any changes made to a page: refresh the page. No changes are permanent.

De-widthify Many websites restrict the width of their text columns. Some people find this unergonomic, especially on small laptop screens and/or articles that require lots of scrolling.

This addon subverts the most common way websites implement fixed-width text columns: margins in CSS. When you press Shift+Alt+X all page margins are nullified.

This solution is not 100% reliable. Some websites will work fine, others may look ugly or break. It's impossible to make a page-modifying solution that works on every possible site out there.

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User reviews
Does what it advertises. Of course it doesn't work everywhere, but sure does make live easier 90% of the time.
by gaussche, 2023-10-19
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Risk impact

Fixed-width and CSS Annihilator is safe to use. It does not request any sensitive permissions.

Risk likelihood

Fixed-width and CSS Annihilator has earned a fairly good reputation and likely can be trusted.

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