LongURL provides a standard API for expanding URLs which have been shortened with a service like TinyURL. Safer, more convenient web browsing by revealing the destination of shortened URLs like those of TinyURL.com, bit.ly, is.gd, and more. Avoid phishing, malware, and viruses by examining short URLs before visiting them: with LongURL you can find out where links really take you. Available also as Firefox extension: LongURL Mobile Expander ( http://longurl.org/tools ). LongURL Mobile Expander uses the LongURL.org web services to let you know where shortened links really go.