PinnedURL - URL ShorteningPinnedURL extends its functionality into the Chrome browser by allowing users to shorten the long URLs of a webpage into a short PinnedURL for use on social networking sites like Facebook, Twitter and Pinterest with one click. Visit the PinnedURL website to access additional features such as URL customization, click metrics and management of your shortened URLs. Additionally, there is a PinnedURL API available for developers, webmasters, affiliate program managers and business partners to implement the URL shortening service into their own applications and websites for free.