Add-ons
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Check your emails for spelling and grammar issues75,807 users -
The best Translator for Thunderbird!
Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译57,591 users -
A Magyar Ispell helyesírási szótár a Hunspell helyesírás-ellenőrző programhoz készített nyílt forráskódú magyar szótár.9,278 users -
Australian English Dictionary for Mozilla applications.8,272 users -
![Icon for Grammalecte [fr] (for Thunderbird)](https://addons.thunderbird.net/user-media/addon_icons/809/809689-32.png?modified=1602750472)
Correcteur grammatical dédié à la langue française. Inclus : conjugueur, formateur de texte et dictionnaires orthographiques.7,464 users -
Diccionario corrector ortográfico de Español/México6,940 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.249 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.13 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 language41 users
Recently Added See all »
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Check your email with Gemini AI before sending.
A Thunderbird add-on that uses Google's Gemini AI to review your emails before sending. Get intelligent feedback on spelling, grammar, tone, clarity, and potential issues.0 users -
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.8 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.10 users -
Translate text directly into Thunderbird.
Supports translation of selected text using Google Translate1,616 users -
AI-powered assistant for Thunderbird – summarize, reply, compose and translate emails with OpenAI. Requires your own OpenAI API key.11 users
See all 104 extensions in Language Support »
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