Code Tours GitHub is a free Chrome add-on that enhances the GitHub experience by introducing the "code tours" feature. This tool enables users to navigate through the code of a repository in a structured manner, providing a guided walkthrough of the codebase. It is particularly useful for new contributors or those unfamiliar with a project, as it breaks down complex code into manageable segments.

The add-on integrates seamlessly with GitHub, allowing users to initiate code tours directly from the platform. By leveraging previously written Code Tours, it offers an efficient way to learn about the functionality and structure of the code, making it an invaluable resource for developers looking to onboard quickly or understand existing projects better.