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Mozilla Firefox Addons 
Googleâ„¢ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
Farsi Instant Translator provides convenient way to translate more than 50 languages to Persian using Google translator service and facilitates writing Farsi using En keyboard (Finglish) by converting Finglish to Persian.
The fastest way to use Nice Translator in Firefox.
Follow updates at: http://twitter.com/tumbledesign
'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.
Translator to english will translate any language into english with a click of a button without tabbing out of your web-page
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
The simplest intext en-ru-en translator. Just select peace of text and open context menu.
Use it to turn text backwards or forwards again. This is useful for Backwards Day on January 31st or for having fun with friends via messages and email. If you ever find backwards text, this tool will quickly make it readable with one click.
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.
New Feature: Language learning!
English-Thai-English instant word translation with Thai language segmentation
Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing 'D' key.
