Measure What Is on Your Screen

Design work often comes down to small distances. Is the spacing the same on both sides? How wide is that preview area? Where is the center of the screen? How far apart are these two elements? You can take a screenshot and open it somewhere else. You can use a design tool just to check a few pixels. Or you can place a ruler directly on top of your screen. That is what Screen Ruler Overlay is for. Screen Ruler Overlay is a lightweight on-screen ruler for macOS. https://medium.com/@chris.ahrweiler/measure-what-is-on-your-screen-7388f1a32c75