Check and debug your site with these cross-platform tools


We've completely revamped our site-scanning tool to bring you webhint, a configurable hinting tool for the web.


Virtual machines for legacy testing

Test Microsoft Edge (EdgeHTML) and versions of IE8 through IE11 using free virtual machines you download and manage locally.

Download VMs

Microsoft Edge WebDriver

Automate testing of your website in Microsoft Edge and Microsoft Edge Legacy.

Download Microsoft Edge WebDriver

Accessibility Insights

Download a browser extension that helps developers find an fix accessibility issues in web apps and sites.