Language Support


LanguageTool Grammar Checker

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 (2)
1,673 users

Abadis Persian Dictionary Requires Restart

Abadis Online Dictionary And Translator
Abadis Dictionary send text to 2 sites for translate.
Aside from the previous, Abadis does not collect or sends any other data to anybody.

Not yet rated
2,256 users

QR Code Getter Requires Restart

QR Code Getter is a handy and reliable Firefox extension designed to generate QR codes for the selected text via right-click.

Rated 3 out of 5 stars (3)
2,851 users


"Kuai-Translator"-instant translation extended (A simple translator add-on), is a convenient extended to support translation of multiple languages, translation of words can also be a WIKI query.

Rated 5 out of 5 stars (31)
3,447 users

Youdao Translation Requires Restart

You can select text and right-click or press ALT+Z to translate

hear the pronunciation of the selected sentence

use Youdao app review words by phone

use it as a Translation Software


Rated 4 out of 5 stars (27)
4,539 users


Translate selected text on current web pages.
No need to leave current web pages.
Translate results come from Bing Translate.
Thanks for your support!

Rated 3 out of 5 stars (9)
3,202 users

Magicword by

Magicword is an anywhere access Persian dictionary provided by
Just double click on any word anywhere in the browser and you will get its definition in seconds.
It supports both English to Persian(Farsi) and Persian to Persian.

Rated 5 out of 5 stars (23)
2,048 users

EasyFa Requires Restart

تبديل جملات فارسي تايپ شده با صفحه كليد در حالت انگليسي و بالعكس

Rated 5 out of 5 stars (13)
980 users

Euskalbar Requires Restart

Basque dictionaries and other tools (corpora, spellcheckers, search engines...). Euskalbar is a Firefox toolbar that helps translating words from Basque to other languages and from other languages to Basque.

Rated 5 out of 5 stars (29)
8,177 users



Rated 5 out of 5 stars (4)
1,268 users

Page Translator

Übersetzt komplette Internetseiten mit Hilfe von Google Translate.

Rated 5 out of 5 stars (1)
1,056 users

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 (53)
127,329 users

Lookupper Requires Restart


Rated 4 out of 5 stars (5)
1,122 users

German Spell Check Requires Restart

Important!!! If you can't see the German flag, please click: View --> Toolbars --> Bookmarks Toolbar. This is a German spelling checker for finding misspellings.

Rated 3 out of 5 stars (7)
6,815 users

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 (33)
8,932 users

One-Click Translate Page

A basic Mozilla Firefox Add-On. Press the Translate button and the current page will open in Google Translate in your chosen language.

Rated 5 out of 5 stars (2)
2,381 users

AutoTradutor Inglês para Português Requires Restart

Forma fácil e rápida de traduzir textos diretamente no navegador.

Rated 5 out of 5 stars (5)
1,065 users

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)
13,825 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (8)
21,430 users

Input Language Assistant Requires Restart

Automatically switches input language to English when you type in address bar.

Rated 5 out of 5 stars (35)
1,474 users