Appearance and Customization

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Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,667 users
Updated Jan. 26, 2025

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (69)
12,140 users
Updated Jan. 26, 2025

Phoenity Icons

Phoenity icons for Thunderbird

Rated 5 out of 5 stars (68)
14,064 users
Updated Jan. 26, 2025

Toggle Quotes (Collapse Quotes)

Adds a Toggle Quotes button, allows to collapse quotes.

Rated 4 out of 5 stars (1)
174 users
Updated Jan. 26, 2025

Phoenity Buttons

Adds some toolbar buttons using phoenity icons.

Rated 4 out of 5 stars (16)
4,672 users
Updated Jan. 26, 2025

Next Unread Thread (Mark All Read)

Adds a Thread button, marks current thread or conversation as read and moves to the next unread message

Rated 5 out of 5 stars (4)
116 users
Updated Jan. 26, 2025

Next Unread Group (Mark All Read)

Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message

Rated 5 out of 5 stars (3)
128 users
Updated Jan. 26, 2025

Preferences Button

Adds a Preferences button

Rated 5 out of 5 stars (1)
340 users
Updated Jan. 26, 2025

DevTools Button

Adds a DevTools Button, opens the Developer Toolbox

Not yet rated
862 users
Updated Jan. 26, 2025

Folders for search, onDisk Status- Glodaquilla-NG:

Global Search/Indexing Enhancements/ On Disk Status for IMAP
Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Extra columns can show whether a mail is stored on disk and its indexing status.

Not yet rated
37 users
Updated Jan. 24, 2025

Addon Compatibility Check for TB 102/TB 115/TB 128

Checks all installed add-ons for compatibility with Thunderbird 128 (or TB 102/115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.

Rated 4 out of 5 stars (12)
15,461 users
Updated Jan. 22, 2025

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)
51 users
Updated Jan. 16, 2025

Open in XPS | XPSLogic

U kunt met deze extensie tickets en taken openen door middel van de knop open in XPS

Er moet wel eerst een client worden ingevuld dit kunt u invullen onder opties

Not yet rated
6 users
Updated Dec. 16, 2024

SpaceApper

Add custom webpages to the spaces toolbar.

Not yet rated
77 users
Updated Dec. 11, 2024

Tag Toolbar / Tag Popup

Add toolbar for toggling tags.

Rated 4 out of 5 stars (92)
17,117 users
Updated Dec. 2, 2024

Toggle Dark Reader

Adds a Toggle Dark Reader button

Not yet rated
11 users
Updated Nov. 19, 2024

FrameWhite

FrameWhite version 141.1 was released, Thunderbird never drop down the letter.
Install Theme 1 or more, And then, manage FrameWhite, so that action is allowed.

send this gift to a friend Eunjo.

Rated 4 out of 5 stars (6)
528 users
Updated Nov. 19, 2024

AutoZoom

AddOn to save a text zoom for eMail text editor.

Rated 4 out of 5 stars (3)
133 users
Updated Nov. 16, 2024

Birdbox

Maintain your favorite websites as spaces within Thunderbird

Rated 5 out of 5 stars (2)
40 users
Updated Nov. 11, 2024

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 5 out of 5 stars (73)
5,911 users
Updated Nov. 11, 2024