CSS Feature Toggles

A devtools extension to toggle support of selected CSS features for testing progressive enhancement fallbacks.

CSS Feature Toggles: A Devtools Extension for Chrome

'CSS Feature Toggles' is a Chrome extension for developers. It offers the ability to disable support for modern CSS features like flexbox, grid or blend-modes from devtools. By doing this, developers can view how their websites/apps will appear in browsers that lack support for these features. This assists in ensuring compatibility and progressive enhancement across diverse browsers.
Install from Chrome Web Store

Extension stats

Manifest V2
Users: 1,000+
Rating: 5.00
(4)
Version: 1.0.2 (Last updated: 2020-02-27)
Creation date: 2020-02-27
Size: 38.32K
URLs: Website
Full description: See detailed description

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge

User reviews

It saved me a lot of time checking the Graceful Degradation of my CSS. Thanks
by Amadeusz Chomiak, 2021-06-18

Useful extension for testing how your site/app can look on browsers which don't support certain features.
by christian oliff, 2019-02-01
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Extension safety

Risk impact

CSS Feature Toggles requires very minimum permissions.

Risk impact analysis details
  • Medium Access to developer tools, typically low risk unless it's used to inspect or manipulate data improperly.
  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of CSS Feature Toggles. 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.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* ********* ** * ******* ********* ** ****** *** *****
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Promo images

CSS Feature Toggles small promo image
Small promo image

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