CSS Spy is a web browser extension for viewing and analyzing the CSS styles of websites. It provides a simple, yet powerful, user interface that can be customized to suit your needs.

This tool was created to make it easy for web developers to quickly compare the CSS properties of two pages. It works on almost any website, and it does not require the installation of any additional tools.

How does it work?

The CSS Spy tool is designed to be used with Chrome, and it can analyze a number of different CSS properties, including the width and height of an element, the font size of the page, the color of an element, the background color of a page, the padding and margin of an element, the border color of an element, and much more.