Translate selected word or phrase over translate.yandex.ru from any lang to Russian (or from Russian to English) - result in context menu (right click) and in popup. Minimum and fast. Not affect DOM. Unofficial extension - works by using API.
Life Science Dictionary Tool Requires Restart
Life Science Dictionary Tool is a mouseover dictionary that translates life science terms with vast numbers of English and Japanese terms available with information from life science dictionary project (http://lsd.pharm.kyoto-u.ac.jp/ja/index.html).
Translate words and expressions in context and improve your language skills. Spanish, French, Russian, Italian, etc.
Google™ Text-to-Speech is a text to speech engine with natural sounding voices.
Language Manager Requires Restart
Language Manager, Designed to manage language packs for Firefox web browsers this easy to use utility make it easy to manage installed language packs and always have the latest language pack installed.
Provide easy way to install Additional Language Packs.
A basic Mozilla Firefox Add-On. Press the Translate button and the current page will open in Google Translate in your chosen language.
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
Translate selected text on current web pages.
No need to leave current web pages.
Translate results come from Bing Translate.
Thanks for your support!
SelBlocks (for Selenium IDE) Requires Restart
A simple words and page translation tool by using Google Translate.
Rikaichan Japanese Names Dictionary File Requires Restart
A dictionary file for Rikaichan.
"Kuai-Translator"-instant translation extended (A simple translator add-on), is a convenient extended to support translation of multiple languages, translation of words can also be a WIKI query.
Translate entire web page or selected text using google translate
There are many translators on Firefox. There are two features they're not supported:
This addon can translate all pages you can open in firefox
gTranslator Requires Restart
Google translate gadget for firefox. This extension translates entire webpages into a language of your choice with one click. Idea comes from Google Translation Bar for Chrome.
German Spell Check Requires Restart
This is a spelling dictionary, where you can select a text in German, click on the icon (German flag) and get your text checked against spelling mistakes.
Online Translator Toolbar Requires Restart
Free Online Translator Toolbar help you to translate whole web page, selected text on web page or text from Clipboard using one of free online translate services. Also you can translate single words using one of free online dictionaries