Language Support
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Aify
Rewrite or generate text based on promps using OpenAI's API.
Configure on settings page (make sure to save) and start to use when writing your emails!
You must have a payment method on record with OpenAI and an API key. OpenAI charge for use.
Zhong Wen Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
ComposeRTF Requires Restart
Compose messages Right-to-Left or Left-to-Right. Unlike other addons which change the direction of typing of the whole message, this addon allows you to control the direction of an individual paragraph.
Grammalecte [fr] (for Thunderbird)
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.
Ungender
Eine Thunderbird-Erweiterung, welches Binnen-Is und Ähnliches von Webseiten entfernt. Es basiert auf der bekannten Firefox Erweiterung Binnen-I be gone.
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.
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
dictCheck Requires Restart
dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!
South African English spell checker Requires Restart
The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.
"No more eina, just a lekker spell checker!"
Hindi Pop up Requires Restart
After installing this extension, just hover the mouse on top of an English word and a pop-up will appear with suggestions of possible hindi equivalents.
Submit Word (Romanian) Requires Restart
An extention that allows users to submit words for inclusion in the Romanian dictionary.
AddAccents
This extension allows you to easily insert accented characters as you type in firefox or thunderbird. It is similar to abctajpu (no longer supported). With the default settings, simply press "e" followed by "\" to insert "é" "a\" to insert "à" etc...
Padma Requires Restart
Padma is a technology for transforming Indic text between public and proprietary formats. The technology currently supports Telugu, Malayalam, Tamil, Devanagari (including Marathi), Gujarati, Bengali, and Gurmukhi...
Unicodify – Text transformer
Easily and quickly autocorrect common symbols as ¼, transform text to “Unicode fonts” and change the casing.
Grammar and Spell Checker — LanguageTool
Check your emails for spelling and grammar issues
Dictionary Switcher Requires Restart
Toggles dictionaries automatically or manually and displays the currently selected one
Moji Requires Restart
An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.
To create your own collections, you must have a Mozilla Add-ons account.