Trusted by 2 Mn+ QAs & Devs to accelerate their release cycles
The flex CSS shorthand property sets how a flex item will grow or shrink to fit the space available in its flex container.
Last updated on : 2023-02-27
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
flex on IE is fully supported on 10-11, and not supported on 5-9 IE versions.
flex on Edge is fully supported on all Edge versions.
flex on Firefox is fully supported on 20-112, and not supported on 2-19 Firefox versions.
flex on Chrome is fully supported on 21-113, and not supported on 4-20 Chrome versions.
flex on Safari is fully supported on 7-16, partially supported on null-null, and not supported on 0-6 Safari versions.
flex on Opera is fully supported on 12-95, and not supported on 9-11 Opera versions.
flex on Safari on iOS is fully supported on 7-16, and not supported on 3-6 Safari on iOS versions.
flex on Android Browser support is currently unknown.
flex on Opera Mobile is fully supported on 12-73, and not supported on 10-11 Opera Mobile versions.
flex on Chrome for Android is fully supported on all Chrome for Android versions.
flex on Firefox for Android is fully supported on all Firefox for Android versions.
flex on Samsung Internet is fully supported on 7-19, and not supported on 4-6 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:flex shows a browser compatibility score of 88. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
Test on 3000+ browsers for flex & more
Test your website for flex and other web technologies. Get 100 FREE automation test minutes!
Test NowKaneAI - Testing Assistant
World’s first AI-Powered E2E testing agent.
Did you find this page helpful?