Design Column Overlay is a free Chrome extension developed by pnarielwala. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools extension.

This extension is designed to assist web engineers in following visual design guidelines while working on websites. It places a dynamic overlay over the current tab, allowing engineers to easily visualize and align elements according to configured design columns. This feature is particularly useful when working with responsive designs, as it helps ensure consistency across different window dimensions.

With Design Column Overlay, web engineers can quickly identify any misalignments or inconsistencies in their designs, making it a valuable tool for maintaining visual harmony. Its user-friendly interface and seamless integration into the Chrome browser make it accessible and convenient to use.

Overall, Design Column Overlay is a useful Chrome extension that enhances the workflow of web engineers by providing a visual aid for following design guidelines.