Unfortunately, u.nu ceased to exist as an URL shortener,
but I decided to keep the article as a curiosity.
Enter u.nu, arguably the shortest URL shortener in town – which, unfortunately, does not come with a one-click shortening option like bit.ly’s bookmarklet. It does, however, offer an API, with which I quickly hacked a minimalistic bookmarklet.
Just drag and drop the link below to your browser and turn anything in your browser into a short URL with a single click:
UPDATE: Real stupid mistake – forgot to escape the URL (but hey, I told it was a quick hack :-P ) – fixed now (Feb 9, 2010).