Add-ons
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Check your emails for spelling and grammar issues66,476 users -
The best Translator for Thunderbird!
Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译49,117 users -
Australian English Dictionary for Mozilla applications.7,958 users -
This extension is based on László Németh's Hungarian Dictionary7,628 users -
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.5,155 users
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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.206 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.10 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 language27 users
Recently Added See all »
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Easily write emails mixing Right-to-Left languages (like Arabic, Persian, Hebrew) with Left-to-Right languages (like English). Automatically formats your text as you type.3 users -
Translate the open email into 20+ languages with one click, powered by Google Translate — then switch back to the original with the same click. No setup, no account. Interface in 9 languages.23 users -
Translates the open email to the selected language — shows translation in a split view inside Thunderbird.264 users -
Translate emails in reading and compose windows directly inside Thunderbird, reversibly, using Google, DeepL, or LLMs (Gemini, Mistral, OpenAI, Ollama).179 users -
Traduisez n'importe quel texte de vos emails d'un clic droit : choisissez la langue, l'IA détecte la source et traduit. Fonctionne avec Google Gemini, ChatGPT ou Claude. Clé API requise.31 users -
一键翻译邮件全文，支持本地 OpenAI 兼容大模型接口如ollama、llama.cpp等。
Translate entire email content with one click, supporting local OpenAI-compatible large model interfaces such as Ollama, llama.cpp, etc.13 users
See all 117 extensions in Language Support »
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