Miscellaneous

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Disable Add-on Compatibility Checks (Version 40+)

Reinstates the extensions.checkCompatibility preference.

Rated 4 out of 5 stars (3)
28,967 users

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (31)
4,812 users

Just Restart! Requires Restart

Restart application with Ctrl+Shift+Z.

Rated 5 out of 5 stars (4)
1,080 users

Link Properties Plus Requires Restart

Provides extended link properties: size of linked file, last modified time, etc.

Rated 5 out of 5 stars (15)
1,979 users

Extension List Dumper 2 Requires Restart

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (35)
1,732 users

ZNotes Requires Restart

Save everything you like. Simple text notes and pages downloaded from the internet, rich multimedia. Store any files and contacts from your address book with notes.

Rated 4 out of 5 stars (11)
361 users

AutoProxyMod Requires Restart

Based on original AutoProxy!

Rated 4 out of 5 stars (9)
548 users

Hütte Nippon for Thunderbird Requires Restart

Display weather report for a week of Japan.

Not yet rated
5 users

compactfolder Requires Restart

A toolbar button for compacting/purging the currently-viewed...

Rated 5 out of 5 stars (5)
352 users

DOM Inspector Requires Restart

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

Rated 2 out of 5 stars (5)
129 users

Extension Manager Extended Requires Restart

Use the Addon Manager to view the id, date installed, compatible application versions, and the folder of an extension or theme. Check http://extended.spanglerco.com for more information and http://firefox.spanglerco.com for more extensions...

Rated 4 out of 5 stars (31)
397 users

Add-ons Toolbar Button Requires Restart

This is a small devision of my Toolbar Buttons extension. https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/

Rated 5 out of 5 stars (6)
12 users

Account Manager Toolbar Button Requires Restart

This is a small devision of Toolbar Buttons https://addons.mozilla.org/firefox/2377/ or
http://codefisher.org/toolbar_button/

Not yet rated
17 users

DragToCompose Requires Restart

Enables dragging a file to Thunderbird for composing a new message without opening composer window first.

Rated 5 out of 5 stars (6)
614 users

Don't Forget CC Requires Restart

添付ファイルを送信する際、指定されたアドレスがCCに含まれているかを検査します

Not yet rated
37 users

SortRecipients Requires Restart

SortRecipients lets you alphabetically sort the recipients lists (To/Cc) when composing a message, simply by clicking the Sort button, which it adds to the Compose window toolbar.

Rated 4 out of 5 stars (4)
457 users

Compose for Thunderbird Requires Restart

THIS ADDON IS UNMAINTAINED, SEE BELOW.

Compose messages the new hip way! Allows you to compose in a tab with a new editor and an improved autocomplete.

Rated 3 out of 5 stars (52)
443 users

check-links

リンク先のファイルを調べる

Not yet rated
1 user

dwEasySubject Requires Restart

When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.

Rated 4 out of 5 stars (4)
269 users

Hyperactive

Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.

Rated 4 out of 5 stars (1)
48 users