Appearance and Customization
Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.
Toggle Folderpane View Requires Restart
This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.
Sender Frequency Requires Restart
Adds a custom column for Sender Frequency to the thread pane
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
[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.
Auto Zoomer Requires Restart
Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.
No need flash plugin on embeded youtube movies
Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.
Maximize Message Pane Requires Restart
Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...
A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.
Get/Send-Button (minimized MagicSLR) Requires Restart
A combined Get/Send-Button and a popup menu with additional functions.
You may want to use it together with the following Add-ons:
* Send Later Button (by me / Alexander Ihrig)
* Send Later (by jikamens)
Posting Style Enforcer Requires Restart
Automatically converts top-posted messages to use bottom-positng or vice versa. Interleaved posts are left alone. Detects automatically added text and supports a per-contact list of exceptions.
Zoom Button for Thunderbird Requires Restart
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
G-Hub Lite Requires Restart
Add Google Tabs to Thunderbird! Services supported: Voice, Calendar, Drive, Docs, Sheets, Slides, Hangouts, Plus, Photos, Contacts, News, Maps, & many more. Need Google Apps? Check out G-Hub Pro: http://www.schiffner.com/index.php/software/g-hub-pro
Image viewer with smooth dynamic zoom, pan and rotate. View slide shows of images or files and capture page elements and tab content. Apply image filters. Save images in various formats.
Seturgent Requires Restart
Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.