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AI Mail Support

Add-on designed to enhance email management for both personal and professional use, integrating a set of adanced AI (LLM) features to optimize the email management experience.

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235 users

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Allday Tasks

Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.

Rated 5 out of 5 stars (2)
300 users

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DeepL-Write for selected text

Unofficial DeepL Write extension for Thunderbird.

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106 users

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Textmarker

Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)

Rated 5 out of 5 stars (34)
42,549 users

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CT Cornish Spell-Checker - SWF

This is a spell-checker for the Cornish language in the Standard Written Form.

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6 users

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Tag Sync for TB

Syncronise/transfer tags, to other TB installations.

POP and some IMAP servers don't store tags (keywords).
This addon helps to have the same emails tagged on all TB installations.
Uses a central database, can be installed on your PC or server.

Rated 5 out of 5 stars (2)
302 users

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DMS HEADERS EXTRACTOR

An extension that help you to extract any header parameter of emails that exist in any selected folder or account or just all the accounts on your thunderbird by only precising it in the popup input

Rated 5 out of 5 stars (1)
43 users

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Close Search Tabs

Add a button to close all search results tabs in Thunderbird

Rated 1 out of 5 stars (1)
60 users

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Whatsapp - Quick Access

Quick Access to Whatsapp Web in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (2)
767 users

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Skiff Mail - Quick Access

Quick Access to Skiff Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

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4 users

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Tuta Mail - Quick Access

Quick Access to TutaMail aka Tutanota in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

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244 users

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Mark Button

Toolbar button to mark a message as read or unread with 1 click.

Rated 5 out of 5 stars (6)
247 users

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Seafile Filelink2

Store attachments on a seafile share.

Rated 5 out of 5 stars (1)
65 users

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Thunderbird-CloudLink

Inserting file link to mail with optional password and expiration date

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3 users

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Additional Info for Simplelogin

For e-mails forwarded by Simplelogin, a pop-up displays the original sender of the e-mail, as well as the alias that the e-mail was sent to and the address that it was forwarded to.

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39 users

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addy.io - Easy Reach

An extension for Thunderbird that allows you to access addy.io.

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0 users

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F9 Hides the Folder Pane

Press F9, or your favourite shortcut, to toggle the visibility of the Folder Pane

Rated 5 out of 5 stars (1)
61 users

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Reply with Attachments

Automatically include attachments in email replies.
Skips SMIME certificates to avoid unnecessary attachments

Fügt automatisch Anhänge aus der ursprünglichen E-Mail hinzu.
Überspringt SMIME-Zertifikate, um unnötige Anhänge zu vermeiden.

Rated 5 out of 5 stars (2)
38 users

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Display Mail User Agent T Featured

Displays the mail program with which the selected mail was written

*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.

Rated 4 out of 5 stars (32)
11,796 users

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Thunderbird Send

[IMPORTANT] This is a pre-release version Thunderbird Send. We will gradually open it for beta testing.
This add-on is built and maintained by your friends at Thunderbird.
Stay tuned to updates on thunderbird.net

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17 users

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