Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

Can I email is described as 'Support tables for HTML and CSS in emails' and is a compatibility layer tool in the os & utilities category. There are four alternatives to Can I email, not only websites but also apps for Visual Studio Code. The best Can I email alternative is Can I use, which is both free and Open Source. Other great sites and apps similar to Can I email are VScode CSS Compatibility, QuirksMode.org Compatibility Tables and HTML5 Please.
Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

A VS Code extension to check, on hover, which CSS syntax, keywords, types, or functions are compatible or supported with all browsers and their versions.



My Compatibility Tables are by far the most popular resource on this site. Here you find the master table that contains links to the individual tables.
Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.
