Language Support

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Google Translator for Firefox Requires Restart 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 (351)
33,113 weekly downloads

S3.Google Translator Requires Restart 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 (374)
20,369 weekly downloads

Google Translate, ImTranslator, Dictionary, TTS Requires Restart Featured

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX
ImTranslator translates text, words, webpages between more than 90 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

Rated 4 out of 5 stars (460)
19,566 weekly downloads

To Google Translate

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 5 out of 5 stars (11)
3,866 weekly downloads

Wiktionary and Google Translate Requires Restart

(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 (212)
3,469 weekly downloads

Grammarly for Firefox

Grammarly’s free spelling and grammar checker ensures that everything you type is easy to read, effective, and mistake-free. As you type, Grammarly underlines spelling mistakes and grammatical errors and helps you fix them on the fly.

Rated 3 out of 5 stars (46)
2,672 weekly downloads

gtranslate 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 (516)
2,563 weekly downloads

Google™ Translator Lite Featured

a powerful tool to translate words or sentences

Rated 4 out of 5 stars (32)
2,415 weekly downloads

Instant Translate: Select and Translate

Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.

Rated 4 out of 5 stars (29)
2,347 weekly downloads

Google Selection Translate - For AltKey

Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages. Translate results come from Google Translate.

Rated 4 out of 5 stars (9)
1,999 weekly downloads

Text to Voice Requires Restart

https://en.wikipedia.org/wiki/Text_to_Voice_(Firefox). 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. Audio is downloadable.

Rated 4 out of 5 stars (183)
1,762 weekly downloads

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (8)
1,656 weekly downloads

Google Translate Menu

Simple Google Translate in Menu (Right Click)

Rated 4 out of 5 stars (9)
1,578 weekly downloads

Quick Locale Switcher Requires Restart

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 (88)
1,507 weekly downloads

rikaichan Requires Restart

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 (92)
1,435 weekly downloads

Dictionary (Google™ Translate) Anywhere Featured

"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.

Rated 4 out of 5 stars (32)
1,307 weekly downloads

LinguaLeo

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 (106)
1,175 weekly downloads

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.

Rated 4 out of 5 stars (8)
1,152 weekly downloads

Rikaichan Japanese-English Dictionary File Requires Restart

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

Rated 5 out of 5 stars (6)
1,051 weekly downloads

Locale Switcher Requires Restart

Displays a menu item for switching the application locale.

Rated 4 out of 5 stars (26)
1,010 weekly downloads