Grammar.com
Check your text and writing for style, spelling and grammar problems everywhere on the web
243 users
Royal Spanish Academy Dictionary (Search Provider)
This extension installs the Royal Spanish Academy dictionary search engine
240 users
Right Click Wiktionary
Wiktionary lives in the context menu. Easy-to-read popup that won't slow you down. New, maintained version, by Aesara: https://addons.mozilla.org/en-GB/firefox/addon/contextual-wiktionary/
236 users
LiuChan
A modern lightweight mouse-over popup dictionary for Chinese! Displays definitions, pinyin and/or zhuyin, customizable tone colors, as well as Cantonese pronunciation (Jyutping). Source: https://github.com/gkovacs/LiuChanFirefox/tree/firefox
233 users
English to Chinese Translator
This add-on helps you translate word on web page from English to Chinese. Please make sure that you can access Google search. Once installed, if you highlight some words you will see a "Translate" button. Click the button to translate.
233 users
Diki.pl translation
Displays translation of selected text provided by diki.pl dictionary. Integrated with eTutor vocabulary app.
224 users
WordReference Translate
Access WordReference dictionaries of lots of different languages from anywhere. Translate every word with details and examples. Listen to the pronunciation.
222 users
Read The Web Out Loud - RAO Text To Speech
Read any web page out loud with this intelligent, fully customizable, responsive, html5 text to speech addon. Supports over 500+ natural, human-like voices on multiple browsers and operating systems.
218 users
Google Translate and TSS
This extension creates one context menu item in Firefox. When you click on a menu item, the previously selected text is sent to Google Translate for translating or to Google TTS for listen pronunciation.
211 users
EasySubs
Learn languages by watching films and series. Customizable subtitles and a popup dictionary to master your vocabulary while watching YouTube or Netflix. Open-source and free.
207 users
Dictionary Plus
A popup dictionary for quickly looking up word-meanings. It also allows to you to save new words that you like and build your vocabulary.
206 users
VIKI: Dịch Anh - Việt Online
Phần mềm dịch chính xác tiếng Anh - tiếng Việt online và miễn phí.
204 users
KMF-Unblock
解除『考滿分』區域限制 A Chrome and Firefox extension that bypasses KMF region restriction.
200 users
百度翻译：网页翻译、海淘神器
移植自百度翻译官方出品的Chrome插件。支持27种语言的翻译，浏览外文网页时可一键网页翻译、双语对照查看、查询单词结果等。特别针对20+家海淘网站进行过翻译优化，让你的海淘过程更加得心应手。
199 users
rikaihan
Translates Japanese Text on Websites upon hovering it. Dictionaries can be chosen and installed separately. Shift through the dictionaries using Ctrl.
198 users
