Language Support

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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 (350)
359,332 users

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)
181,294 users

Rikaichan Japanese-English Dictionary File Requires Restart

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

Rated 5 out of 5 stars (8)
36,721 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (11)
25,126 users

Rikaichan Japanese Names Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (4)
17,002 users

Dictionary Switcher Requires Restart

Toggles dictionaries automatically or manually and displays the currently selected one

Rated 4 out of 5 stars (171)
16,105 users

www.Translate Requires Restart

Multi-Translator from Google, Bing and Pragma.
Translation tool for your Firefox and Thunderbird with a simple and friendly interface.

Rated 4 out of 5 stars (31)
8,245 users

Dictionary Switcher for Thunderbird Requires Restart

Toggles spelling dictionaries automatically or manually and displays the currently selected one in the status bar.
Now merged with Dictionary Switcher v1.3 for Firefox/SeaMonkey

Rated 4 out of 5 stars (26)
7,375 users

German Spell Check Requires Restart

This is a spelling dictionary, where you can select a text in German, click on the icon (German flag) and get your text checked against spelling mistakes.

Rated 3 out of 5 stars (7)
7,072 users

Finnish spellchecker Requires Restart

Finnish open source Voikko-spellchecker for Mozilla and needed libraries.

Rated 4 out of 5 stars (101)
6,702 users

WordReference Translator Requires Restart

Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing "D" key.

Rated 4 out of 5 stars (34)
6,127 users

French Dictionary for Spelling Requires Restart

Supports also the Nighty browser! This is a French Spelling dictionary, for finding spelling mistakes.
Select a text in French appearing on any web page and get a spelling check for it immediately!

Rated 4 out of 5 stars (9)
5,517 users

Transliterator

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Rated 5 out of 5 stars (73)
5,388 users

English - English Dictionary Requires Restart

Important!!! If you can't see the "Abc" icon , please click View --> Toolbars --> Bookmarks Toolbar.

This is an English dictionary for looking up words in English.

Select a word using your mouse and find its meaning in English!

Rated 2 out of 5 stars (9)
5,063 users

Right Encoding Requires Restart

Adds the Character Encoding menu to the context menu

Rated 5 out of 5 stars (19)
3,809 users

No Small Text

Set a minimum text size for all web content. Use the toolbar button to switch it on and off. NEW: Three preset sizes. NEW: Use mouse scroll on the toolbar button.

Rated 4 out of 5 stars (10)
3,544 users

Babylon Dictionary Word Search Requires Restart

Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.

Rated 4 out of 5 stars (46)
3,425 users

Rikaichan Japanese-German Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
3,402 users

abcTajpu Requires Restart

Type in accented letters, international characters or symbols into Firefox or Thunderbird, either simply by using a context menu (there being support for many languages), or quickly by keyboard macro (you can even define your own).

Rated 4 out of 5 stars (70)
2,858 users

Rikaichan Japanese-French Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
2,812 users