Language Support

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Grammalecte [fr] (for Thunderbird) Requires Restart

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

Rated 5 out of 5 stars (3)
3,407 users
Updated May 16, 2018

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 (24)
791 users
Updated May 8, 2018

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 (37)
4,469 users
Updated April 24, 2018

Dictionary for recipient

Sets the spell check dictionary based on the first recipient

Not yet rated
63 users
Updated April 5, 2018

TexTra Thunderbird 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
493 users
Updated March 19, 2018

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)
1,090 users
Updated Feb. 14, 2018

Grammar Checker Requires Restart

Checks grammar using LanguageTool.

Rated 3 out of 5 stars (7)
2,885 users
Updated Dec. 26, 2017

SelectionSK Ancient Requires Restart

Pops up user menu with useful tools (copy, highlight, translation, search, etc.) when text is selected with the mouse.
Please migrate onto https://addons.mozilla.org/en-US/firefox/addon/selectionsk/

Rated 5 out of 5 stars (57)
393 users
Updated Nov. 4, 2017

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (14)
26,693 users
Updated Aug. 8, 2017

Rikaichan Japanese Names Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (6)
9,453 users
Updated March 6, 2017

Rikaichan Japanese-Dutch Dictionary File Requires Restart

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

Not yet rated
79 users
Updated March 6, 2017

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)
19,691 users
Updated March 6, 2017

Rikaichan Japanese-French Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
1,474 users
Updated March 6, 2017

Rikaichan Japanese-German Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
2,017 users
Updated March 6, 2017

Rikaichan Japanese-Hungarian Dictionary File Requires Restart

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

Not yet rated
30 users
Updated March 6, 2017

Rikaichan Japanese-Russian Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
375 users
Updated March 6, 2017

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 (20)
1,996 users
Updated Jan. 18, 2017

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)
1,836 users
Updated Oct. 18, 2016

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 (38)
3,086 users
Updated June 27, 2016

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)
591 users
Updated June 15, 2016