The Free Password Manager & Authenticator & SSO Chrome extension by SAASPASS is a powerful tool that offers secure password management, two-factor authentication (2FA), and single sign-on (SSO). This extension provides autofill and autologin capabilities, supports the Authenticator format, and eliminates the need for a separate password manager application. It offers features like phishing-proof logins, protection against man-in-the-middle attacks, and passwordless 2FA options. SAASPASS also offers a mobile app and supports integration with various platforms and services. A limit of 500 login items is provided for personal use, while additional features are available for enterprise customers.