Miscellaneous

Subscribe

Extension Test

A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.

Rated 5 out of 5 stars (6)
214 users
Updated April 16, 2014

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (182)
85,309 users
Updated April 10, 2014

Font Finder

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (47)
22,216 users
Updated April 9, 2014

Test Pilot for Thunderbird No Restart

Add-on has now been discontinued, see below.

Rated 1 out of 5 stars (15)
8,176 users
Updated April 8, 2014

Persona Switcher

Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.

Rated 5 out of 5 stars (21)
2,083 users
Updated April 7, 2014

ProfileSwitcher

It adds some options to launch easily other profiles and the Profile Manager.

Rated 5 out of 5 stars (40)
24,453 users
Updated April 5, 2014

Personas Rotator

Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?

Rated 4 out of 5 stars (78)
19,435 users
Updated March 27, 2014

Calendar Tweaks

Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.

Rated 4 out of 5 stars (35)
13,741 users
Updated March 25, 2014

Add-on Update Checker

Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.

Rated 4 out of 5 stars (33)
19,308 users
Updated March 23, 2014

Extension Auto-Installer No Restart

For extension developers: allows automatically adding or updating browser extensions, e.g. with command line tools.

Rated 5 out of 5 stars (9)
2,616 users
Updated March 18, 2014

Clippings

Save frequently-entered text for pasting later.

Rated 4 out of 5 stars (132)
29,253 users
Updated March 17, 2014

Themes Menu

Adds Themes menu to the Tools and Titlebar menus. Includes toolbar icon.

Rated 4 out of 5 stars (10)
27,184 users
Updated March 16, 2014

L-Vin Thunderbird Brief Plugin

Versand von Papierbriefen über www.lvinpost.de

Rated 3 out of 5 stars (1)
5 users
Updated March 16, 2014

UxU - UnitTest.XUL

This is a testing tool for addon developers.

Rated 4 out of 5 stars (5)
39 users
Updated March 14, 2014

Workflow, e-signature Nathky

Nathky provides workflow service by Thunderbird cooperation with each other through e-mail messages including process and results, and create e-signature documents.

Not yet rated
24 users
Updated March 13, 2014

Shrunked Image Resizer

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (26)
6,621 users
Updated March 12, 2014

Classic Toolbar Buttons No Restart

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (78)
29,105 users
Updated March 9, 2014

After Unsent Mail Is Sent

Run a program of your choice after unsent mail has been sent.

Not yet rated
59 users
Updated March 9, 2014

URLFilter No Restart

Block advertisement and access to adult sites

Rated 4 out of 5 stars (8)
3,806 users
Updated March 5, 2014

AutoConfiguration Hook

Provides ability to create E-mail accounts for specific ISP via the account creation wizard.

Not yet rated
4,470 users
Updated February 26, 2014