Google
 Translation Browser Buttons

Add a translation browser button to your browser's Links Toolbar to translate web pages or pieces of text with a single click. While surfing the web, if you find a piece of text you'd like to translate, select the text with your mouse and click the browser button. If you want to translate a whole web page, simply click the button.

Right-click on the browser button link and select "Add to Favorites".
AfrikaansAlbanianArabicArmenian
AzerbaijaniBasqueBelarusianBengali
BosnianBulgarianCatalanCebuano
Chinese (Simplified)Chinese (Traditional)CroatianCzech
DanishDutchEnglishEsperanto
EstonianFilipinoFinnishFrench
GalicianGeorgianGermanGreek
GujaratiHaitian CreoleHausaHebrew
HindiHungarianIcelandic
IgboIndonesianIrishItalian
JapaneseJavaneseKannadaKhmer
KoreanLaoLatinLatvian
LithuanianMacedonianMalayMaltese
MaoriMarathiMongolianNepali
NorwegianPersianPolishPortuguese
PunjabiRomanianRussianSerbian
SlovakSlovenianSomaliSpanish
SwahiliSwedishTamilTelugu
ThaiTurkishUkrainianUrdu
VietnameseWelshYiddishYoruba
Zulu