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.
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.
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!
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.
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
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.
Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.
a powerful tool to translate words or sentences
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.
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.
"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.
Simple Locale Switcher Requires Restart
An easier management of the user interface language
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.
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.
Simple Google Translate in Menu (Right Click)
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...
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.
Locale Switcher Requires Restart
Displays a menu item for switching the application locale.