Language Support

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Google Translator for Firefox Requires Restart

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 (399)
29,183 weekly downloads

Google Translate, ImTranslator, Dictionary, TTS Requires Restart

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 (445)
17,268 weekly downloads

S3.Google Translator Requires Restart

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 (376)
17,108 weekly downloads

To Google Translate Compatible with Firefox 57+ Featured

Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.

Rated 4 out of 5 stars (236)
8,706 weekly downloads

Grammarly for Firefox Compatible with Firefox 57+

Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

Rated 4 out of 5 stars (197)
4,408 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 (197)
4,301 weekly downloads

Instant Translate: Ultimate Translator Compatible with Firefox 57+ Featured

Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.

Rated 4 out of 5 stars (122)
3,600 weekly downloads

Google™ Translator Lite Compatible with Firefox 57+ Featured

a powerful tool to translate words or sentences

Rated 4 out of 5 stars (42)
2,303 weekly downloads

Page Translator Compatible with Firefox 57+

One-click in-line page translation for Firefox. Translates any page using Google Translate or Microsoft Translator. It's minimalist. The translate icon will only appear if the page is in a foreign language.

Rated 5 out of 5 stars (24)
2,190 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 5 out of 5 stars (43)
1,858 weekly downloads

Google Translate Menu

Simple Google Translate in Menu (Right Click)

Rated 4 out of 5 stars (16)
1,783 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 (493)
1,763 weekly downloads

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (11)
1,516 weekly downloads

LanguageTool Grammar Checker Compatible with Firefox 57+ Featured

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.

Rated 5 out of 5 stars (16)
1,467 weekly downloads

Dictionary (Google™ Translate) Anywhere Compatible with Firefox 57+ Featured

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

Rated 5 out of 5 stars (55)
1,195 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 (196)
1,096 weekly downloads

yeekit网页翻译 Compatible with Firefox 57+

译库网页翻译是一款由中译语通科技(北京)有限公司开发的针对网页进行翻译的浏览器工具。
一键秒翻,轻松浏览外文网站。

Rated 4 out of 5 stars (11)
1,001 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 (89)
941 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 (9)
927 weekly downloads

Reverso Translate in Context Compatible with Firefox 57+

Translate words and expressions in context and improve your language skills. Spanish, French, Russian, Italian, etc.

Rated 4 out of 5 stars (28)
879 weekly downloads