Layout Visualizer is a free Chrome add-on developed by Guotong Liao. As an invaluable tool for developers and designers, this program allows you to visualize the layout of a web page with just a single click. It serves as the "console.log()" for CSS, giving you immediate insights into the DOM elements.

With Layout Visualizer, you no longer have to inspect the page element by element. Instead, you can easily see the structure and positioning of the elements at a glance. This saves you time and effort, especially when working on complex layouts or debugging CSS issues.

The add-on seamlessly integrates into your Chrome browser, providing a simple and intuitive interface. Whether you're a developer fine-tuning your code or a designer ensuring pixel-perfect layouts, Layout Visualizer is a must-have tool for boosting your development and design experience.