Show External IP is a simple yet effective Firefox extension that allows users to view their current external IP address with just one click. This tool is particularly beneficial for those who need to quickly confirm their IP address without delving into complicated settings. By sending a straightforward HTTP GET request to a designated website, it retrieves the visible IP address and presents it in an easy-to-read panel. Additionally, users can access this feature directly from their browser, enhancing convenience and usability.

Security is a key aspect of Show External IP, as it operates using an SSL secured site, ensuring that all requests are encrypted and safe. This extension falls under the Security & Privacy category, specifically within Anti-Spam & Anti-Spy, making it a valuable tool for users looking to maintain awareness of their online identity and privacy.