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 (69)
3 727 käyttäjää

Asystent Nauki Angielskiego

Pomoc w nauce angielskiego i rozumienia tekstów przez tłumaczenie pojedynczych, rzadkich słów.

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32 käyttäjää

Automatic Dictionary Ei uudelleenkäynnistystä

Extension that remembers the language of the spellchecker used when composing and switches to it every time you write to that person.

Rated 5 out of 5 stars (20)
3 146 käyttäjää


Transform the first letter of a sentence in uppercase

Rated 3 out of 5 stars (7)
1 622 käyttäjää


An input method editor (IME) for Vietnamese. Type Vietnamese diacritics directly into any Web page, Web app, or dialog box.
Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, và hộp thoại.

Rated 5 out of 5 stars (30)
5 231 käyttäjää

Babylon Dictionary Word Search

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 (41)
5 531 käyttäjää

Bosnian spell checker

This is a comprehensive spell checker that contains more than 300 000 words of the Bosnian language.

Rated 5 out of 5 stars (1)
24 käyttäjää


CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.

Rated 5 out of 5 stars (23)
666 käyttäjää

Character Identifier

This extension adds a context menu item for selected text that provides more information (from the Unicode database) about the characters...

Rated 4 out of 5 stars (10)
441 käyttäjää

Character Palette

Firefox toolbar for selecting strange characters that are not on my keyboard.

Rated 3 out of 5 stars (12)
653 käyttäjää

Chat RTL

Fixing the Chat so it would support RTL languages (i.e. Hebrew, Arabic) better.

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58 käyttäjää


highlight code in email.

Rated 3 out of 5 stars (1)
71 käyttäjää


Compose messages Right-to-Left or Left-to-Right. Unlike other addons which change the direction of typing of the whole message, this addon allows you to control the direction of an individual paragraph.

Rated 4 out of 5 stars (10)
18 käyttäjää


dictCheck - Słownik (angielski, polski). Tłumaczy w sposób łatwy i przyjemny. Możesz również samemu wpisać słówko do wyszukania. Dobra zabawa i nauka. Wystarczy podwójne kliknięcie na dowolnym słówku i już! Nie zawiedziesz się, spróbuj :)

Rated 5 out of 5 stars (6)
742 käyttäjää

Dictionary for recipient Ei uudelleenkäynnistystä

Sets the spell check dictionary based on the first recipient

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48 käyttäjää

Dictionary Switcher

Toggles dictionaries automatically or manually and displays the currently selected one

Rated 4 out of 5 stars (171)
23 974 käyttäjää

Dictionary Switcher for Thunderbird

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)
11 969 käyttäjää


Word translation in tooltip with English⟷Croatian dictionary already incorporated.

Rated 5 out of 5 stars (59)
5 345 käyttäjää

English - English Dictionary

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)
6 622 käyttäjää


Insert inline LaTeX equations into e-mail messages.

Rated 5 out of 5 stars (22)
193 käyttäjää