A Google Chrome extension that installs a context menu item to translate selected text to the configured language, using Google Translate.
Can't figure out what your friends from other countries are talking about on Google+ or Facebook? Need a translation of only a part of a web page? Select the text, right click, and choose 'Translate This!'. The foreign language selection will be translated to the configured language, and the results shown in a new tab. The language to be translated from and the language to be translated to can be specified by going to the wrench menu (settings menu) > Tools > Extensions, and clicking on the 'Options' link in the 'Translate This!' section.
Powered by Google Translate, this Chrome extension translates from/to one of 90 languages, namely, Afrikaans, Albanian, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bosnian, Bulgarian, Catalan, Cebuano, Chichewa, Chinese (Simplified and Traditional), Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Filipino, Finnish, French, Galician, Georgian, German, Greek, Gujarati, Haitian Creole, Hausa, Hebrew, Hindi, Hmong, Hungarian, Icelandic, Igbo, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Khmer, Korean, Lao, Latin, Latvian, Lithuanian, Macedonian, Malagasy, Malay, Malayalam, Maltese, Maori, Marathi, Mongolian, Myanmar (Burmese), Nepali, Norwegian, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Sesotho, Sinhala, Slovak, Slovenian, Somali, Spanish, Sundanese, Swahili, Swedish, Tajik, Tamil, Telugu, Thai, Turkish, Ukrainian, Urdu, Uzbek, Vietnamese, Welsh, Yiddish, Yoruba, and Zulu.
To install this extension, visit the Google Chrome Web Store.