Inspect: Invisión de rayos x is a free Chrome add-on developed by imagentleman (José Antonio Chio). It falls under the category of Browsers and belongs to the subcategory of Add-ons & Tools. This program allows users to easily check the dimensions and distances of page elements.

With Inspect: Invisión de rayos x, users can simply mouse over the elements on a webpage to view their dimensions. This feature is particularly useful for web developers and designers who need to ensure that their elements are properly sized and aligned. Additionally, by clicking on an element, users can see the distances relative to that specific element.

Overall, Inspect: Invisión de rayos x is a handy tool for anyone working with web design or development. Its straightforward functionality makes it easy to quickly analyze and measure page elements without the need for complex calculations or external tools.