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Signature Switch

Switch the signature on/off or choose a new one from your predefined set.

Rated 4 out of 5 stars (272)
50,706 users

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Emoji

Add emojis to your e-mails.

Rated 4 out of 5 stars (64)
23,917 users

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Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (49)
20,796 users

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Confirm-Address

メールを送信する前にあて先確認ダイアログを表示するThunderbirdアドオンです。

Rated 4 out of 5 stars (73)
21,192 users

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AutoarchiveReloaded Featured

Archiviert E-Mails automatisch (Verbesserte Version vom "Autoarchive" Add-on)

Rated 4 out of 5 stars (25)
22,109 users

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FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

Rated 4 out of 5 stars (11)
22,533 users

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Grammalecte [fr] (for Thunderbird)

Correcteur grammatical dédié à la langue française. Inclus : conjugueur, formateur de texte et dictionnaires orthographiques.

Rated 4 out of 5 stars (16)
6,081 users

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G-Hub Lite

Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (23)
3,741 users

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CategoryManager

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (23)
7,241 users

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CardDAV Browser

A utility to browse vCards stored on a CardDAV server.

This version is only for Thunderbird. There is a SeaMonkey version available if needed.

Rated 3 out of 5 stars (7)
353 users

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Edit Email Subject (EES)

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (122)
7,837 users

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Google Keep Tab

Adds a button to open Google Keep in a new Tab

Rated 5 out of 5 stars (29)
4,240 users

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Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 4 out of 5 stars (147)
5,992 users

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List Addons in Windows' Programs

List addons in Windows' "Add or Remove Programs".

Rated 5 out of 5 stars (1)
10,619 users

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TexTra

Thunderbirdのメールのテキストを翻訳、辞書引きを行います。

Rated 4 out of 5 stars (2)
708 users

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Unmangle Microsoft ATP Safelinks

Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.

This plugin will change the URL back to the original value.

Rated 5 out of 5 stars (6)
693 users

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Quick Folder Key Navigation

This extension makes it possible to quickly navigate to a particular folder in the folder pane simply by typing the first few letters of the folder name when the folder pane has focus.

Rated 4 out of 5 stars (15)
880 users

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EuropeanMX Spam Reporter

Train your EuropeanMX filter by reporting unrecognized spam back to us.

Rated 3 out of 5 stars (3)
209 users

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Paranoia

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

Rated 4 out of 5 stars (14)
646 users

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QuickArchiver

Get things done and clean up your inbox! When you move an e-mail the first time, QuickArchiver remembers the destination folder and lets you move more e-mails with a single click. You can apply rules by sender, recipient, and subject.

Rated 4 out of 5 stars (31)
1,076 users

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