Appearance and Customization
Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.
Email Addresses in Message Headers Requires Restart
Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.
Stylish-Custom Requires Restart
custom additions to Stylish extension
No need flash plugin on embeded youtube movies
关闭即最小化 Requires Restart
Use this to Minimize
A remake of the MinimizeToTray-extension made to fit the Windows 10 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar.
Hide Badge Icon Requires Restart
Hides the badge for new messages of the Thunderbird app icon on Mac OSX.
Thunderbird-DontRestoreTabs Requires Restart
Allows the user not to restore tabs at startup in Thundertbird
Contact DnD Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
Pic Zoom Requires Restart
Zoom in and out of any image on a page
Lightning Colors Reminder Requires Restart
Let's show the calendar color on Lightning reminders!
Disable About Something Requires Restart
Provides ability to disable "about:*" pages by the configuration.
A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 24.0 and later.
Also restores the add-on version number on Firefox/Thunderbird 40.0 and later.
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.
Show Calendar Week Requires Restart
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.
This add-on is not compatible with your version of Thunderbird because of the following:
- Add-on has opted into strict compatibility checking.