Salesforce User Interface Switcher is a Chrome add-on that simplifies the process of switching between the Lightning Experience and Classic interfaces in Salesforce.com. With just one click, users can switch between the two interfaces without having to wait for a page to load completely.

One of the notable features of this add-on is its ability to highlight all user names from other organizations, making it easier for users to identify and differentiate between different organizations. This can be particularly useful for users who work with multiple Salesforce orgs and need a quick way to distinguish between them.

Overall, Salesforce User Interface Switcher offers a convenient and efficient solution for Salesforce users who frequently switch between the Lightning Experience and Classic interfaces. With its simple one-click functionality and the added benefit of highlighting user names from other orgs, this add-on enhances the user experience and streamlines the interface switching process.