GitHub File Navigation Resizer is a free Chrome add-on designed to improve user experience by allowing customization of the file navigation panel in GitHub pull requests. This tool addresses the common issue of the narrow file navigation sidebar, which can hinder usability when reviewing code changes. With this add-on, users can easily resize the sidebar to a more comfortable width, facilitating better visibility and accessibility of files during pull request reviews.

This add-on integrates seamlessly with the GitHub interface, making it a straightforward solution for developers and reviewers alike. The ability to adjust the sidebar width not only enhances the workflow but also allows for a more personalized browsing experience. GitHub File Navigation Resizer is particularly useful for those who frequently engage in code reviews, providing a simple yet effective enhancement to the GitHub pull request experience.