Visual Diff Checker for GitHub & Bitbucket is a free Chrome add-on that enhances the process of reviewing pull requests with advanced visual comparison features. It allows users to compare images, code, and files side-by-side, making it easier to spot differences and review changes effectively. The tool integrates seamlessly with GitHub and Bitbucket, ensuring that developers can utilize its capabilities directly within their existing workflows.

Key features include advanced image diff modes such as side-by-side, swipe, and overlay comparisons, along with improved syntax highlighting for code reviews. This makes it an essential tool for software developers, frontend developers, QA teams, DevOps professionals, and design teams. The application is designed to be fast and lightweight, ensuring that it does not impact workflow performance while providing robust functionality for visual and code comparison.