Language Support

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Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (14)
686 weekly downloads

Automatic Dictionary

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Rated 5 out of 5 stars (40)
306 weekly downloads

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 (88)
284 weekly downloads

Grammalecte [fr] (for Thunderbird) Requires Restart

French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.

Rated 5 out of 5 stars (6)
220 weekly downloads

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 3 out of 5 stars (32)
185 weekly downloads

Grammar Checker Requires Restart

Checks grammar using LanguageTool.

Rated 3 out of 5 stars (10)
169 weekly downloads

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 (94)
145 weekly downloads

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)
133 weekly downloads

Quick Locale Switcher 2 Requires Restart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 5 out of 5 stars (2)
119 weekly downloads

Rikaichan Japanese-English Dictionary File Requires Restart

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

Rated 5 out of 5 stars (11)
106 weekly downloads

EHTip Requires Restart

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

Rated 5 out of 5 stars (64)
105 weekly downloads

TexTra Requires Restart

Thunderbirdのメールのテキストを翻訳、辞書引きを行います。

Not yet rated
100 weekly downloads

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 (41)
98 weekly downloads

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 (21)
95 weekly downloads

Right Encoding Requires Restart

Adds the Character Encoding menu to the context menu

Rated 4 out of 5 stars (18)
83 weekly downloads

The Book of Mozilla, 15:1 in Japanese

The Book of Mozilla, 15:1 in Japanese

Not yet rated
79 weekly downloads

SRB Lightning Requires Restart

An integrated calendar for Thunderbird build in purpose testing Serbian translation. You can download version: 1.0b2, 1.0b1 and 0.11 Inverse Edition which work with version 3.1, 3.0 and 2.0 Thunderbird. Windows, Linux and Mac are all supported.

Not yet rated
66 weekly downloads

Rikaichan Japanese Names Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (6)
65 weekly downloads

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 (4)
63 weekly downloads

AutoUp Requires Restart

Transform the first letter of a sentence in uppercase

Rated 4 out of 5 stars (9)
58 weekly downloads