Add-ons
オススメアドオン
by dynamis
About this Collection
dynamis が個人的に良いなと思ったアドオンです こちらのコレクションではユーザ向けも開発者向けも用途も区別していませんのでご了承を
25 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
186,575 users
Allows bidirectional access to Google Calendar
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
11,663 users
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
User Agent Switcher
by chrispederick
157 users
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Mail Merge
by Alexander Bergmann
68,176 users
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
Remove Duplicate Messages
by Eyal Rozenberg
94,001 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Session Manager
by Michael Kraft
147 users
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
CompactHeader
by jmozmoz
15,100 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.
Confirm-Address
DOM Inspector
by SeaMonkey Council
13,794 users
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Secure Addressing
by Hiroya Matsuba
92 users
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.
Firesizer
by orev
9 users
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Auto Address Cleaner
by markopee
257 users
Removes comment, display name automatically from addresses before sending mail.
LaTeX It!
by Jonathan Protzenko
57 users
This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.
*Note: this addon is not compatible with Thunderbird 78+*
AutoPager
by Wind Li
1 user
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.
Google Privacy
by Herrminator
30 users
Make some popular websites respect your privacy settings.
Please see the known issues below!
What are Collections?
Collections are groups of related add-ons that anyone can create and share.
Explore CollectionsTo create your own collections, you must have a Mozilla Add-ons account.
