Bitbucket Image Diff is a free Chrome extension designed to improve the code review process by enabling image comparisons directly within Bitbucket pull requests. This tool addresses a common limitation by allowing users to view and analyze changed images, making it easier to assess UI updates and design modifications. With its user-friendly interface, it integrates seamlessly into existing workflows, ensuring that developers can focus on their code without interruption.

Key features include a Side-by-Side View for direct comparison of original and updated images, a Diff Highlight Mode that highlights pixel-level differences for detailed inspection, and an Overlay Mode that allows users to adjust transparency for subtle visual changes. Additionally, the Slider Mode offers an interactive way to reveal changes by sliding over the images. This extension is an essential tool for developers seeking to enhance their image review capabilities within Bitbucket.