It was an excellent tool, one of the best website developing extension on the market. After I upgrade my chrome version to the latest, it's no longer working. I will change my review rating once it has been fixed. edit: now, it works perfectly fine. I don't know why, but I tried to uninstall this extension and install it again and it works well.
The plugin provides powerful features for web designers and developers, including rulers, guidelines, element alignment, space measurement, and the ability to add, save, move, and remove guides
It also offers additional resources for PLUS subscribers and aims to help create visually appealing and accurate designs
The plugin is described as the ultimate browser extension for web designers, developers, and anyone who loves to create stunning, pixel-perfect web designs