.dev is a top-level domain (TLD) specifically designed for developers and technology professionals. It is part of the Internet Corporation for Assigned Names and Numbers (ICANN) program that allows individuals and organizations to create websites related to software development, programming, and technology projects. The .dev domain is secure by default, meaning it uses HTTPS to ensure safe browsing experiences. This TLD is popular among developers looking to showcase their portfolios, projects, or tools. Companies like Google promote the use of .dev for their developer-focused initiatives, making it a recognizable choice in the tech community.