jmp.li

Gimme a URL and I'll give you a shorter one that jumps right to it.

Get basic info and stats about any jmp.li URL by changing the domain name from jmp.li to info.jmp.li. Try it: http://info.jmp.li/kc.
Add jmp.li/ to the address bar and hit enter to shorten it. Try it: jmp.li/http://3ft9.com/
Drag this bookmarklet to your toolbar and click it at any time to shorten the current URL: Shorten with JMP.LI
For developers we have a simple API. Use http://api.jmp.li/?url=<url> to shorten a URL and get back just the shortened version in plain text. Try it: http://api.jmp.li/?url=http://3ft9.com/
Developers can also get stats in machine-readable formats by simply adding .json or .xml to the end of an info URL. Try it: http://info.jmp.li/kc.json or http://info.jmp.li/kc.xml.