Jedermann Add - Ons
by Firefox user 2640af
About this Collection
16 Add-ons in this Collection
German Dictionary by KaiRo
253,888 users
German Dictionary (new Orthography) for spellchecking in Mozilla products
German dictionary (de_DE) by Björn Jacke
40,441 users
German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.
Remove Duplicate Messages by Eyal Rozenberg
95,091 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
CompactHeader by jmozmoz
15,213 users
Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.
QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait
14,874 users
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
Quick Locale Switcher by ppclick
66 users
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
Allow HTML Temp by Alexander Ihrig
10,644 users
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
Compact Menu 2 by Milly
19 users
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Extra Folder Columns by Joey Minta, Thunderbird Development Team
116 users
This extension is for those TB3 users who want the multiple-columns view that TB2 allowed
IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
Hide Menubar by yuoo2k
2 users
Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.
Test Pilot for Thunderbird by Thunderbird Development Team
219 users
Add-on has now been discontinued, see below.
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