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

Latest Version

Version
1.0.2
Update
February 27, 2020
Size
37.42KiB
Developer
keithclark.co.uk
Category
Users
1,000+
Rating
5 ★
Manifest Version
2
Web Store Status
Languages Support
English (UK)
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Permissions
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CSS Feature Toggles Extension

This extension allows developers to disable support of modern CSS features from devtools. Disabling features such as flexbox, grid or blend-modes allows developers to see how their pages/apps will render in browsers that don't support them.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "CSS Feature Toggles", "version": "1.0.2", "author": "Keith Clark", "description": "A devtools extension to toggle support of selected CSS features for testing progressive enhancement fallbacks.", "homepage_url": "https://github.com/keithclark/css-feature-toggle-devtools-extension", "icons": { "48": "icons/icon-48.png", "128": "icons/icon-128.png" }, "devtools_page": "devtools/devtools.html"}
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User reviews

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Amadeusz Chomiak (ID: 0000008a778d1d3d) Voted 5 ★ - Updated 06/18/2021 It saved me a lot of time checking the Graceful Degradation of my CSS. Thanks

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christian oliff (ID: 0000000bab50f81c) Voted 5 ★ - Updated 02/01/2019 Useful extension for testing how your site/app can look on browsers which don't support certain features.