theme-color polyfill

Adds meta theme-color support to Firefox in the form of changing the active tab color.
What is theme-color polyfill?
theme-color polyfill is a Firefox browser extension that allows you to scan pages in your tabs for the theme-color meta tag, enabling you to paint the browser frame in that color. It is a useful tool for developers looking to debug theme-color behavior in their websites and apps.

Add-on stats

Users: 1
Rating: 5.00 (4)
Version: 0.0.4 (Last updated: 2022-07-03)
Creation date: 2022-07-02
Weekly download count: 1
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • activeTab
  • webNavigation
  • theme
  • <all_urls>
Size: 32.05K

Ranking

Other platforms

Not available on Chrome
Not available on Edge
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Add-on summary

This extension will scan pages in your tabs to find if they set a theme-color meta tag, and paint the browser frame in that color, much like some mobile browsers would. This extension might be useful for developers trying to debug theme-color behaviour in their websites and apps.

User reviews

by Andreas, 2022-07-05

by Radmila, 2022-07-05

by Милош, 2022-07-04
View all user reviews

Add-on safety

Risk impact

theme-color polyfill is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install theme-color polyfill if you trust the publisher.

Risk likelihood

theme-color polyfill has earned a fairly good reputation and likely can be trusted.

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