GH Lines is a Chrome extension that allows users to view line counts of source files directly in the GitHub file tree. By simply installing this add-on, users can conveniently access the number of lines in each file without the need to open them individually. This tool enhances productivity by providing quick insights into the size and complexity of code bases.

With GH Lines, users can effortlessly gauge the scale of their projects and track changes in source files efficiently. This free extension streamlines the process of code analysis and optimization, offering a seamless experience for developers working on GitHub repositories.