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ThunderWebTabs

Opens Google Keep, Google Photos, Android Messages or any other website in Thunderbird's tab.

Users who encounter "Browser not supported errors" should try changing their User Agent. For more details, please visit the "Support site".

Rated 5 out of 5 stars (1)
255 users

Two Dynamic Birds

An extension of the "Two Little Birds" and "Dracula" themes that includes a toggle button to turn on dark mode.

The position of the light/dark toggle button can be customised to avoid it covering the cute birds!

Not yet rated
108 users

Old (classic) Icons

This replaces the new monochrome icons with the old/classic colorful icons. Uses the code from Phoenity Icons and the graphics from older Thunderbird versions.

Rated 5 out of 5 stars (29)
2,313 users

Topic Tree / Notebook and Wiki in TB

* Keep notes and ideas
* Notes can be styled with images, tables, links, mindmaps etc.
* Full text search
* Copy and paste text/html
* Drag text/html into tree to create new note
* Link notes
* Backup
* Print notes
* Notes for emails: XNote++

Rated 3 out of 5 stars (5)
353 users

userChromeJS

Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened. Also add a toolbar button which reloads userChrome.js in the current window.

Rated 5 out of 5 stars (8)
285 users

Phoenity Icons

Phoenity icons for Thunderbird

Rated 5 out of 5 stars (68)
11,949 users

New Bing Anywhere

New Bing isn't just for Edge anymore. Anywhere you want

Rated 2 out of 5 stars (2)
25 users

Search Button

Toolbar button to invoke message search dialog window.

Rated 5 out of 5 stars (9)
2,430 users

Move Folder (context-menu)

Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.

Rated 3 out of 5 stars (2)
398 users

onedrivewebapp

Adds browser action icon to toolbar to open OneDribe. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-onedrive-button/

Rated 4 out of 5 stars (1)
67 users

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
5 users

ansitel Click-to-Dial

This plugin will call a selected number by clicking the right mouse button.

Rated 5 out of 5 stars (1)
75 users

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (33)
6,727 users

Config Button

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

Rated 5 out of 5 stars (3)
1,232 users

Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
211 users

Message Header Toolbar Customize

You can change icon display and button order. You can also hide unnecessary buttons.

Rated 5 out of 5 stars (50)
4,428 users

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 (10)
15,079 users

No tabs

Hides the tab bar and automatically removes all inactive tabs everytime a tab is opened or switched to.

Rated 5 out of 5 stars (5)
120 users

Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
1 user

ScrollAnywhere

Scroll without touching the scroll-bar!
Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar.

Features also:
- "grab and drag" scrolling
- customizable scrollbars!
- the Momentum auto-scroll

Rated 5 out of 5 stars (1)
334 users