Smart Page Ruler is a developer tool designed to provide precise measurements for every element on your web page. Developed by Karol Rola, this Chrome add-on is a must-have for developers looking to accurately measure and analyze their web designs.

With Smart Page Ruler, you can easily obtain both the relative and absolute position of elements, similar to the functionality of the popular Zeplin application. In addition, you can calculate the height, width, margin, and padding of elements, providing you with all the data you need to ensure optimal alignment and spacing between components.

One of the standout features of Smart Page Ruler is its ability to take screenshots while measuring the position of elements. This feature allows you to easily capture and share your measurements on Facebook or copy the image for further use. Simply select "Smart Page Ruler > Screen Capture" from the context menu to execute this function.

Overall, Smart Page Ruler offers a seamless user experience with its intuitive design and easy accessibility. Whether you're a seasoned developer or just starting out, this add-on provides the highest level of accuracy and precision in measuring web page elements.