Search :: Add-ons for Thunderbird

British English Dictionary

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

Rated 3 out of 5 stars (413)

2,302 users

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The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (197)

15,325 users

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Ukrainian dictionary

Ukrainian (uk-UA) spellchecking dictionary

Rated 5 out of 5 stars (58)

10,486 users

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General Catalan dictionary

Free Catalan (general version) spelling dictionary.

Rated 4 out of 5 stars (40)

14,275 users

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Canadian English Dictionary

For some reason, Mozilla doesn't have a Canadian localization team, but I know that even the British dictionary doesn't quite cut it for the truly patriotic.

Rated 4 out of 5 stars (82)

9,436 users

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Emoji

Add emojis to your e-mails.

Rated 4 out of 5 stars (64)

26,860 users

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Addressbooks Synchronizer

Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers

Rated 4 out of 5 stars (82)

27,893 users

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German Dictionary, classical spelling standards

German Dictionary according to the classical spelling standards for spell-checking in Firefox and Thunderbird

Rated 5 out of 5 stars (20)

9,925 users

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quickFilters

Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.

By popular demand, supports SORTING filters alphabetically.

Rated 5 out of 5 stars (72)

14,869 users

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Signal Spam

Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).

Rated 2 out of 5 stars (180)

16,427 users

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Russian Hunspell dictionary

Создан на основе словаря Лебедева. Файл аффиксов постепенно переписывается, словарь ежедневно пополняется. Релиз выкладывается один раз в месяц первого числа.

Rated 3 out of 5 stars (66)

10,966 users

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SmartTemplates Featured

SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.

Rated 4 out of 5 stars (81)

4,143 users

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Confirm-Address

Confirm E-mail address before sending mail

Rated 4 out of 5 stars (75)

19,754 users

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Hungarian Dictionary

This extension is based on László Németh's Hungarian Dictionary

Rated 4 out of 5 stars (56)

10,077 users

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Český slovník pro kontrolu pravopisu

Slovník pro kontrolu pravopisu pro aplikace Mozilla

Rated 4 out of 5 stars (36)

17,255 users

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German Dictionary, extended for Austria

German dictionary (new Orthography) for spellchecking in Mozilla products, extended with Austrian words

Rated 5 out of 5 stars (22)

5,717 users

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XNote++

Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.

If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.

Rated 4 out of 5 stars (134)

17,471 users

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