Toggle CSS outline

Simple extension that toggles a red outline around all elements in a page on/off, useful for CSS debugging.
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Add-on stats

Users: 58
Rating: 5.00 (1)
Version: 1.1 (Last updated: 2023-07-14)
Creation date: 2023-07-13
Weekly download count: 4
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • activeTab
  • tabs
  • storage
  • <all_urls>
Size: 17.09K

Ranking

# 12630 ▼ 107
Other rankings
#22 in toggle keyword 23 #111 in debug keyword 16 ▼ 2 #241 in line keyword 47 ▲ 2

Other platforms

Toggle Fullscreen (v1.1)
4.26 (77) 6,000
Not available on Edge
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Add-on summary

Analyze keywords

This extension adds a browser button that toggles a red outline on/off around all elements on a page. Useful for CSS development, to see all the borders of all elements in one glance quickly without opening the developer tools panel. Basically it sets the following style on / off:

  • { outline: 1px solid red; }

Source code: https://github.com/theodejager/toggle-css-outline

Add-on safety

Risk impact

Toggle CSS outline requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Toggle CSS outline has earned a fairly good reputation and likely can be trusted.

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