WHOIS Everywhere is a Chrome extension designed to provide users with instant WHOIS information for any domain they visit. This tool enhances the browsing experience by displaying essential domain details in a floating window, which can be easily moved around the screen.

Key features of WHOIS Everywhere include a floating window that shows the creation date, expiration date, domain status, and name servers of the visited domain. Additionally, it offers quick links to related domains and employs local caching to enhance lookup speed. Users can also customize the extension's settings to adjust activation status and window display options, making it a versatile tool for anyone needing quick access to domain information.