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Grammalecte [fr] (for Thunderbird)

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

Rated 4 out of 5 stars (16)
5,603 users

Charset Menu

Restores the charset menu removed in Thunderbird 91 and fixes an issue in Thunderbird 78.

Rated 4 out of 5 stars (9)
4,937 users

Grammar and Spell Checker — LanguageTool

Check your emails for spelling and grammar issues

Rated 4 out of 5 stars (30)
56,924 users

Web Translate

The best Translator for Thunderbird!

Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译

Rated 4 out of 5 stars (24)
41,353 users

✨ Awesome Emoji Picker ✨

Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.

You will certainly like it.

Rated 5 out of 5 stars (7)
4,513 users

Dictionary for recipient

Sets the spell check dictionary based on the first recipient

Rated 4 out of 5 stars (3)
4,546 users

AI Anywhere for ChatGPT

ChatGPT enhancer - adds context menu, keyboard shortcuts, history and more!

Rated 5 out of 5 stars (6)
2,404 users

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 (49)
3,565 users

QIRIMTATARCA Til Destesi: Sandeböd [Crimean Tatar] Requires Restart

Thunderbird'ni Qırımtatarcalaştırır.
DİQQAT: 16.0 sürüminden evvelki bir sürümni qurğan qullanıcılar uyğulamanıñ 17.0 sürümine yañartqandan soñ eklentiniñ 17.0 sürümini elden yañıdan qurmalı ( http://tilde-birlik.sourceforge.net/#21.11.2012 ).

Not yet rated
0 users

Rikaichan Japanese-Dutch Dictionary File Requires Restart

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

Not yet rated
1 user

Kukkuniiaat Requires Restart

A Greenlandic spell checker for Mozilla products.

Not yet rated
1 user

Moji Requires Restart

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

Rated 4 out of 5 stars (9)
2 users

Markov Dictionary Switcher Requires Restart

Based on Dictionary Switcher but more than a thousand times faster and you can choose dictionaries that you want to use. Detects the language of the message that you are composing and changes the spelling dictionary.

Rated 4 out of 5 stars (7)
0 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 (88)
71 users

Bosnian spell checker Requires Restart

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

Rated 5 out of 5 stars (1)
0 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)
19 users

ThunderbirdCR (Dictionary) Requires Restart

Context Reverso for Thunderbird.
A translator/dictionary available to English, Spanish, French, German, Italian, Portuguese Dutch, Polish, Romanian, Arabic, Chinese, Japanese, Hebrew, Russian, Turkish.

Hotkey: Search selected texts (Shift+F1)

Not yet rated
56 users

Rikaichan Japanese-German Dictionary File Requires Restart

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
1 user

Rikaichan Japanese-Russian Dictionary File Requires Restart

A dictionary file for Rikaichan.

Not yet rated
1 user

Kyrgyz Key Requires Restart

Allows to type Kyrgyz alphabets like Ө,Ң and Ү in any text fields of Firefox Browser, Web Pages and Thunderbird. Converts Latin words into Cyrillic words instantly. Makes EnglishRussian translations.

Rated 5 out of 5 stars (1)
0 users