A simple click on a link will log you out and open a log in page.
It also shows permissions for the current user: view lists, manage lists, manage permissions, manage web, full control.
Platform: SharePoint 2013, Office 365.
Browser support: LoginAsAnother is tested in all supported browsers, IE11, IE10, IE9, IE8, latest version of Chrome and Firefox. It works perfectly in all browsers.
Hosting: LoginAsAnother is hosted on your site.