Appearance and Customization
Sort by:
Theme Font & Size Changer (fixed)
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon
Old-style smilies Requires Restart
Reverts the smilies in Thunderbird to those of version 2.
Show Calendar Week Requires Restart
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.
Thin Tabs
Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.
Please see description for updates!
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.
DontRestoreTabsRevival
This is a remake of the DontRestoreTabs extension. It is compatible with Thunderbird 88+. The code is based on the tabControl extension.
Menu Filter Requires Restart
Keep your menus in check by filtering out items you never use.
AddressBook in Tab Requires Restart
Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab
HERA - Hotel Email Reservation Assistant
HERA helps hotels to semi or fully automatically respond to emails by checking rates in your PMS / CRS
Titlebar Tabs Cleaner Requires Restart
A toolbar button to remove the tabs from the Windows titlebar back to their original place. Provides an easy way to undo the changes introduced by Thunderbird 17 or switch between the two modes effortlessly.
Email Addresses in Message Headers Requires Restart
Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.
Priority Switcher
Change priority of the received messages from the toolbar button and the context menus...
BrowseInTab
BrowseInTab lets you open and browse any link in a Thunderbird content tab. Links are followed within the tab and back/forward navigation is supported. Also with enhanced Zoom customization and a url bar.
LeftTodaySubpaneOrLogoOrClock
Append today subpane to left top or append logo or clock to left bottm.
send a gift to a friend Eunjo.
Updated as of 2021-03-31.
Updated as of 2021-08-04 for Thunderbird version 90s.
To create your own collections, you must have a Mozilla Add-ons account.