A Linker is a Chrome extension developed by faisalwaris, available for free in the Browsers category under Add-ons & Tools. This utility focuses on fixing URL host names specifically tailored for proxied servers. By seamlessly adding '-a' to the first part of the host name in the URL link, it aids in resolving host name issues when dealing with proxied servers. A Linker simplifies the process of correcting and adjusting URLs for smoother browsing experiences.

With A Linker, users can effortlessly navigate through websites that require host name modifications due to proxy server configurations. This extension streamlines the URL correction process, enhancing the overall browsing efficiency for Chrome users.