Appearance and Customization

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todowebapp

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

Rated 4 out of 5 stars (2)
141 users
Updated June 18, 2023

Toggle Quotes (Collapse Quotes)

Adds a Toggle Quotes button, allows to collapse quotes.

Rated 4 out of 5 stars (1)
147 users
Updated June 18, 2023

Phoenity Buttons

Adds some toolbar buttons using phoenity icons.

Rated 4 out of 5 stars (16)
4,346 users
Updated June 17, 2023

TimetableForWeb

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

REQUIREMENTS:
1. 1920 x 1080 RESOLUTION
2. 100% MAGNIFICATION

I thank God through Jesus Christ.

Not yet rated
14 users
Updated June 10, 2023

Minimize on Close

Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.

Rated 4 out of 5 stars (78)
36,936 users
Updated June 6, 2023

Hide Local Folders for TB78++

Removes the 'Local Folders' entry from the folder pane.
(The folder itself will stay existent.)
(Based on the original work of Alex Cabal.)

Rated 5 out of 5 stars (17)
5,579 users
Updated June 6, 2023

Topic Tree / Notebook in TB

* A place to 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
* Backup
* Print notes
* Notes for emails: XNote++

Rated 3 out of 5 stars (5)
365 users
Updated May 17, 2023

Quote Colors & Collapse

Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.

Rated 5 out of 5 stars (15)
4,134 users
Updated May 4, 2023

New Bing Anywhere

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

Rated 2 out of 5 stars (2)
27 users
Updated April 12, 2023

Link in Tab

Link in Tab allows you to:
- Left click => open link in new tab
- Left double-click => open link in browser
- Middle click => open link in browser and close current tab

Rated 4 out of 5 stars (4)
542 users
Updated April 11, 2023

TaskviewGridLayout

TaksviewGridLayout works in Thunderbird version 78.0~102.*.
If clicking any task after (re)starting Thunderbird, it PERSISTs.

REQUIREMENTS:
1. 1920 x 1080 RESOLUTION
2. 100% MAGNIFICATION

Praise Stephen Kim Sou-hwan.

April 2nd 2023.

Rated 1 out of 5 stars (1)
9 users
Updated April 2, 2023

Search Button

Toolbar button to invoke message search dialog window.

Rated 5 out of 5 stars (9)
2,575 users
Updated March 28, 2023

Priority Switcher

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (26)
116 users
Updated Feb. 23, 2023

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)
385 users
Updated Jan. 31, 2023

Pywalfox

Dynamic theming of Thunderbird using your Pywal colors.

https://github.com/Frewacom/pywalfox

Rated 3 out of 5 stars (6)
298 users
Updated Jan. 24, 2023

Compose Responsive Images

When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.

Rated 5 out of 5 stars (1)
141 users
Updated Jan. 19, 2023

RainbowMemo

Memo with rainbow colors.

Not yet rated
35 users
Updated Jan. 17, 2023

ResizeTbWidth

Resize Thunderbird window width.
Set window with three widths (1/1 (1920px), 1/2 (960px), 1/3 (640px)).

July 3rd 2021.

I love God.

Sungho.

Not yet rated
60 users
Updated Jan. 15, 2023

TileNote

Tile notes, I provide this web app. to Mozilla Thunderbird users.
This is a derivative of RainbowNote, 7 colorful week notes, with tile like shapes.

Not yet rated
44 users
Updated Jan. 10, 2023

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (30)
4,025 users
Updated Jan. 8, 2023