Chrome: The Goo.gl URL Shortener Extension adds a button to your Chrome toolbar that brings one-click URL shortening via Google’s super-speedy and reliable URL shortener, goo.gl.
Most browsers and smartphones: Google’s own Chrome to Phone is great for sending links to your phone, but is restricted to Chrome and Android. Free web app Site to Phone works with any browser, most smartphones, and requires no email registration.
The new Gmail web app for iPhone is great, but that annoying Safari toolbar continues to plague email-reading on iOS. To get rid of it, just bookmark Gmail with this handy redirecting link.