Uploaded December 2023 | Updated September 2026, 1 week ago

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A step-by-step guide on how to enable experimental CSS and JavaScript features and various Web APIs in Chrome, Firefox, and Safari.

🔗 Links
Chrome — chrome://flags
Firefox — about:config
Safari — in Settings
Edge — edge://flags
Arc — arc://flags
Experimental features in Firefox: developer.mozilla.org/en-US/docs/Mozilla/Firefox/Experimental_features

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📖 Chapters
00:00 Intro
00:31 How to enable experimental web features in Chrome
02:22 How to enable experimental web features in Edge, Arc, etc.
02:45 How to enable experimental web features in Firefox
04:22 How to enable experimental web features in Safari

- Zoran Jambor
#css #devtools