The SXG Validator is a Chrome extension developed by Google that allows users to check each page for Signed-Exchange (SXG) validation. This extension is designed to determine if a URL is a valid SXG and provides information on the status of its corresponding SXG cache and certificate entry.

With the SXG Validator, users can easily verify if a webpage supports SXG. By simply clicking on the extension icon while on a page that supports SXG, users can view a detailed report that provides valuable insights. This report helps users ensure that their webpages are properly validated and can be efficiently cached by browsers.

The SXG Validator is a free extension available on the Chrome platform. It falls under the category of browsers and specifically belongs to the subcategory of add-ons and tools. This extension is a valuable resource for web developers and website owners who want to ensure their webpages are optimized for SXG validation and caching.