Defixo is a free Chrome add-on designed to enhance user safety by blocking access to harmful websites. It provides protection against various threats, including scams, phishing attempts, and computer viruses, by displaying warnings when users attempt to visit potentially dangerous sites. This tool aims to create a safer browsing experience by alerting users and preventing access to malicious content.

The add-on requires no complex setup, allowing users to install it and start utilizing its features immediately. Regular updates are provided to ensure the tool remains effective against newly identified harmful websites. However, it is important to note that while Defixo enhances protection, it may not guarantee complete safety, especially between updates, due to the rapid emergence of new threats.