Viewed File Opener is a free Chrome extension designed to enhance the user experience when reviewing files in GitHub pull requests. This add-on simplifies the process of accessing viewed files by providing a convenient toggle button that allows users to quickly open files they have previously viewed in PRs. This functionality is particularly useful for developers and teams who frequently collaborate on code reviews, enabling them to navigate through changes effortlessly.

The extension is categorized under Browsers and falls into the subcategory of Add-ons & Tools, making it a valuable tool for anyone engaged in software development using GitHub. By streamlining the file viewing process, Viewed File Opener helps users save time and improve their workflow during code review sessions.