Launched in February 2019 as an extension for Chrome, Password Checkup is designed to display a warning whenever users log in to a website with credentials that are known to have been compromised in a third-party data breach.

Password Checkup has now been added to the password manager in Google Account. This integration will enable Google to warn users not only if their passwords have been compromised in a third-party breach, but also if they are reusing passwords across different websites, and if their passwords are weak.