Web Code Injector is a free Chrome add-on developed by Jon Ander Echeverria Sanchez. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This program allows users to add their own code, including HTML, CSS, and JS, to their favorite websites.

With Web Code Injector, users have three different ways to work. They can access the program through the popup in the top icon, directly from a browser tab, or through the development tools using the keyboard shortcut Ctrl + Shift + I or F12. This flexibility makes it easy for users to customize and enhance their favorite websites in a simple and fast manner.

Whether you want to tweak the design, add interactive elements, or experiment with new features, Web Code Injector provides a convenient platform for making changes to websites. It is a valuable tool for web developers, designers, and anyone looking to personalize their online experience.