Bitbucket PR Review Shortcuts is a Chrome extension that enhances the review experience on Bitbucket for large pull requests. With this extension, users can navigate through files more efficiently using keyboard shortcuts. The extension adds two useful shortcuts: "<-" to go to the previous file and "->" to go to the next file. This allows reviewers to quickly move between files without the need to manually scroll or click through the interface.

Additionally, the extension provides a shortcut for marking a file as viewed. By pressing the "Space" key, users can easily mark or unmark a file as viewed. This feature helps reviewers keep track of their progress and ensures that no file is missed during the review process.

Overall, Bitbucket PR Review Shortcuts is a handy tool for users who frequently review large pull requests on Bitbucket. It streamlines the review process by offering convenient keyboard shortcuts for file navigation and file marking.