Language Support

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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)
3,533 users

AVIM Requires Restart

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

Rated 5 out of 5 stars (33)
3,349 users

Rikaichan Japanese-French Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
3,234 users

Spanish Dictionary for Spelling Requires Restart

Important!!! If you can't see the Mexican flag, please click View --> Toolbars --> Bookmarks Toolbar.

Select a text in Spanish appearing on any web page and get a spelling check for it immediately!

Rated 5 out of 5 stars (3)
3,214 users

EHTip Requires Restart

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

Rated 5 out of 5 stars (69)
3,175 users

Grammar Checker Requires Restart

Checks grammar using LanguageTool facilities.

Rated 4 out of 5 stars (4)
3,118 users

Look Up in Dictionary Requires Restart

Looks up a selected word in OS X's Dictionary.app

Rated 5 out of 5 stars (43)
2,411 users

South African English spell checker Requires Restart

The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.

"No more eina, just a lekker spell checker!"

Rated 5 out of 5 stars (3)
2,385 users

AutoUp Requires Restart

Transform the first letter of a sentence in uppercase

Rated 3 out of 5 stars (7)
1,812 users

SelectionSK Requires Restart

Pops up user menu with useful tools (copy, highlight, translation, search, etc.) when text is selected with the mouse

Rated 5 out of 5 stars (65)
1,507 users

Zombie Keys (Multilanguage Keyboard) Requires Restart

Enter accents, diacritics, diaeresis, umlauts, ligatures etc. with keyboards of various countries (us,uk,ie,fr,it,ru,de,sv) - via easy to remember shortcuts or menu. Also supports all textboxes of the application (such as search, filters).

Rated 5 out of 5 stars (22)
1,424 users

XUL/Migemo Requires Restart

This provides dictionary-assisted search (Migemo search) and regular expression powered search for "find in this page" and other features.

Rated 4 out of 5 stars (49)
1,039 users

Zhong Wen Requires Restart

Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.

Rated 4 out of 5 stars (20)
1,022 users

Padma Requires Restart

Padma is a technology for transforming Indic text between public and proprietary formats. The technology currently supports Telugu, Malayalam, Tamil, Devanagari (including Marathi), Gujarati, Bengali, and Gurmukhi...

Rated 4 out of 5 stars (34)
971 users

Rikaichan Japanese-Russian Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
948 users

dictCheck Requires Restart

dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!

Rated 5 out of 5 stars (6)
807 users

Moji Requires Restart

An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.

Rated 4 out of 5 stars (10)
699 users

Sztakidict SZTAKI Szótár a középsõ ujjban Requires Restart

Online Hungarian<->English dictionary by SZTAKI based on Jaap A. Haitsma's Dictionary Search 0.4
Modified by Danidek to be installable for Firefox 4.0 and later

Not yet rated
692 users

CantoFish Requires Restart

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)
633 users

Character Palette Requires Restart

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

Rated 3 out of 5 stars (12)
588 users