8px is a free Chrome add-on developed by malfunction. It falls under the category of Browsers, specifically Add-ons & Tools. This program allows users to easily visualize grid systems on websites.

With 8px, users can easily observe and analyze the grid lines of a website. This can be particularly useful for web designers and developers who want to ensure proper alignment and spacing in their designs. By overlaying grid lines on a webpage, users can quickly identify any inconsistencies or misalignments.

The add-on is compatible with the Chrome browser and provides a straightforward and accessible way to visualize grid systems. Whether you're a professional web designer or simply curious about the underlying structure of websites, 8px can be a handy tool for gaining insights into the grid layout of webpages.