You probably don’t want that someone is using your browser without your permission. This is where ChromePW, a Google Chrome extension, comes in handy! By using ChromePW an unauthorized user is refused to access the Internet, saved passwords, browser history, autofill and other internet data. Once you set everything up an launch Google Chrome again, it will prompt you for a password. If someone else tries to launch the browser, they will have to type in the password. If they fail, Chrome will immediately close down. If you want to know more about it, head on to Chrome Web Store Page. Source – Chrome Web Store