Language Support


Google Translator for Firefox Featured

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Rated 4 out of 5 stars (313)
873,368 users

ImTranslator - Google Translator, Dictionary, TTS

ImTranslator provides translation powered by Google Translate, Microsoft, Babylon for 70+ languages. It includes Translator, Dictionary, Text-to-Speech, Back Translation.
Video Tutorial:

Rated 4 out of 5 stars (429)
357,303 users

S3.Google Translator Featured

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!

Rated 5 out of 5 stars (257)
352,531 users

Quick Locale Switcher

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 3 out of 5 stars (85)
214,351 users

gtranslate No Restart Featured

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.

Rated 4 out of 5 stars (486)
95,244 users

Wiktionary and Google Translate

(former Google Dictionary and Google Translate)

In-line dictionary for any word you point to or double-click; whole page translation of any web page in another language.

Rated 4 out of 5 stars (177)
68,745 users

Google™ Translator Lite No Restart Featured

Google™ Translator Lite

Rated 4 out of 5 stars (20)
61,591 users

To Google Translate No Restart

Highlight text on a web page, right click and select To Google Translate for translate or play the previous text. EN-to-ES.

Marque un texto en una página web, de clic derecho y seleccione To Google Translate para traducir o reproducirlo. EN-a-ES.

Rated 3 out of 5 stars (22)
53,906 users

Seznam lištička

Seznam Lištička je vylepšení prohlížeče, které vám zpříjemní práci s internetem. Rychle vám přeloží slova, kterým nerozumíte a zjednoduší vám přístup do emailové schránky.

Rated 3 out of 5 stars (13)
53,385 users


Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...

Rated 5 out of 5 stars (89)
50,542 users

Easy Google Translate No Restart

Translate selected text on current web pages. Support translate over 40 languages. Translate results come from Google Translate.

Rated 3 out of 5 stars (39)
49,122 users

Rikaichan Japanese-English Dictionary File

This is a dictionary file add-on for the Rikaichan extension.

Rated 4 out of 5 stars (6)
42,844 users

Locale Switcher

Displays a menu item for switching the application locale.

Rated 4 out of 5 stars (25)
40,580 users

新同文堂 (New Tong Wen Tang)

NewTongWenTang is a tool to switch display Chinese content between traditional and simplified glyphs (中文繁簡體互轉工具)

Rated 4 out of 5 stars (97)
40,470 users

Text to Voice Featured TTS gives Firefox the power of speech. Select text, click the button on the bottom right of Firefox window and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.

Rated 4 out of 5 stars (172)
26,793 users

translator No Restart

translator is web translation extension that allows you to translate any web page or text into nearly any language at the click of a button.

Rated 4 out of 5 stars (98)
26,480 users

Dictionary Switcher

Toggles dictionaries automatically or manually and displays the currently selected one

Rated 4 out of 5 stars (171)
23,974 users

LinguaLeo No Restart

LinguaLeo Translator is the most useful way to get translations of English words on any page online. Just click twice and you will get its translation. Our extension also allows you to translate any phrases.

Rated 3 out of 5 stars (87)
22,328 users

Language Pack Install Helper No Restart

Provide easy way to install Additional Language Packs.

Rated 5 out of 5 stars (10)
17,953 users

LEO Dictionaries

This is the official add-on for easier access to LEOs Online Dictionaries. Select any word or phrase, right-click on the selection and translate from/to English, French, Spanish, Italian, Chinese, Russian, Portuguese and Polish to/from German.

Rated 4 out of 5 stars (6)
17,507 users