Add-ons
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Check your emails for spelling and grammar issues68,060 users -
The best Translator for Thunderbird!
Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译53,787 users -
This extension is based on László Németh's Hungarian Dictionary8,784 users -
Australian English Dictionary for Mozilla applications.8,435 users -
![Icon for Grammalecte [fr] (for Thunderbird)](https://addons.thunderbird.net/user-media/addon_icons/809/809689-32.png?modified=1602750472)
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.6,943 users
Top Rated See all »
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Word translation in tooltip with English⟷Croatian dictionary already incorporated.0 users -
Look up Japanese words with the hover of a mouse.
After enabling the add-on from the toolbar (or press Alt+R) simply hover over Japanese text and a popup displays corresponding dictionary definitions.238 users -
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.15 users -
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.0 users -
Ћирилично/латинично пресловљавање, виртуална ћирилична тастатура - Serbian Cyrillic/Latin transliteration and Virtual Cyrillic keyboard0 users -
An easier management of the user interface language43 users
Recently Added See all »
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Simple and fast Thunderbird extension: select any text, right-click, and correct it instantly. Perfect for improving your emails in one step, without opening any external tool. Lightweight, convenient, and highly effective.0 users -
Extension Thunderbird simple et rapide : sélectionnez du texte, faites un clic droit et corrigez-le instantanément. Idéal pour améliorer vos emails en un geste, sans ouvrir d’outil externe. Léger, pratique et ultra efficace.0 users -
Translate text directly into Thunderbird.
Supports translation of selected text using Google Translate87 users -
AI-powered assistant for Thunderbird – summarize, reply, compose and translate emails with OpenAI. Requires your own OpenAI API key.6 users -
Applies the correct smart quotes („ ... “ instead of " ... ") used in Lithuanian, German, Czech, and other Central European languages. One click fixes your entire text.5 users -
New UNEC is a browser extension that transforms the UNEC student panel into a modern and user-friendly interface. It dynamically replaces the existing webpage’s HTML, CSS, and JS with an improved design, featuring automatic dark mode, language.20 users
See all 102 extensions in Language Support »
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