EXTPOSE
Salesforce User Interface Switcher icon

Salesforce User Interface Switcher

Extension Actions

How to install an extension Open in Chrome Web Store
CRX ID
lpdmalpmibhkhelpghhjhmeghodmlhon
Description from extension meta

One button click to switch from Lightning Experience to Classic and back in Salesforce.com

Image from store
Salesforce User Interface Switcher
Description from store

Switch from Lightning Experience to Classic not waiting for a page load complete and highlighting all user names from other orgs.