TranslateMenu is the easiest translator for Firefox. You can simply select any text on a webpage and right-click over it. The results will appear in the right menu. That simple!
* Translating the whole page (by one click)
* Translating target pages.
* Translating selected texts inside text areas and inputs.
* Translating alternative texts of images.
* Other advanced features.
It supports more than 50 languages and uses a stable version of Google Translate.
English (Default), Afrikaans, Albanian, Arabic, Belarusian, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, Galician, German, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Korean, Latvian, Lithuanian, Macedonian, Malay, Maltese, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swahili, Swedish, Thai, Turkish, Ukrainian, Vietnamese, Welsh, Yiddish.