KnowURL is an online service which allow users to find, retrieve or unshorten the original URL hidden behind the Shortened URL. It supports almost all URL shortening sites like bit.ly, tr.im, tinyurl and many more.
This can come handy when you’re unsure about the original link and want to confirm if it’s safe before opening it. The service also lets you scan the link for viruses.
A mobile site is also available: http://m.knowurl.com
Go to: KnowURL