Socializer! for Firefox is a simple (loading instantly) and safe extension that will let you have a nice button to share any web page you might visit.
When you click on the Socializer! button, a clean and pleasant control panel offers sharing and translation options.
Socializer! supports eMail recommendation, Facebook, Twitter, Google Translate, Bitly URL shortening, Google and Google Plus, Reddit, BlinkList, BlogMarks, Del.Icio.Us, Digg, Fark, FormSpring, FriendFeed, Linkedin, Chime, MySpace, StumbleUpon, Technorati, YahooMyWeb, Connotea, DotNetKicks, DZone, Faves, LinkArena, LinkaGoGo, MisterWong, N4G, NewsVine, Netvouz, NuJIJ, Scoopeo, Tipd, Tumblr, Wikio, Xerpi.
You will also have the option of getting automatically html links for any page you view, in order to paste them in your site, your blog, in Facebook messages, in forums, and wherever html is used.
This is an absolutely free and discreet, unobtrusive, extension - you will never be asked for anything -- however, you are very welcome to buy me a coffee!, if you like.