Add-ons
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Check your emails for spelling and grammar issues69,555 users -
Web Translate is easy to use translator for your Web browser / Thunderbird!51,617 users -
A Magyar Ispell helyesírási szótár a Hunspell helyesírás-ellenőrző programhoz készített nyílt forráskódú magyar szótár.8,673 users -
Australian English Dictionary for Mozilla applications.8,322 users -
Diccionario corrector ortográfico de Español/México6,906 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.6,738 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.237 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.11 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 language40 users
Recently Added See all »
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AI-powered assistant for Thunderbird – summarize, reply, compose and translate emails with OpenAI. Requires your own OpenAI API key.1 user -
Applies the correct smart quotes („ ... “ instead of " ... ") used in Lithuanian, German, Czech, and other Central European languages. One click fixes your entire text.4 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.22 users -
This AddOn offers a function of autocorrection / auto text replacement. You can save a shortcut and a replacement and it will replaced automaticly if you type your new eMail text.133 users -
Hawk for Thunderbird is an AI-powered plugin designed to generate clear and personalized emails, translate content, fix grammar errors, and streamline your email communication workflow.493 users -
Intégrez Antidote à Thunderbird pour corriger vos courriels. Vérifiez l’orthographe et la grammaire ou consultez les dictionnaires et guides linguistiques. Recevez des alertes de ton vexant ou de pièces jointes oubliées avant l’envoi d’un message.1,252 users
See all 100 extensions in Language Support »
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