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Theme Font & Size Changer

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (113)
82,507 users
Updated April 24, 2014

DictionarySearch (Official Version)

Looks up a user selected word in an online...

Rated 4 out of 5 stars (104)
13,483 users
Updated April 24, 2014

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (39)
13,658 users
Updated April 24, 2014

Notepad (QuickFox)

Everyday note-taking solution.

Rated 4 out of 5 stars (137)
23,931 users
Updated April 24, 2014

Thunderbird2Jira (Create Jira Issue)

This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.

Rated 4 out of 5 stars (8)
389 users
Updated April 24, 2014

CookieKeeper No Restart

Extended Cookie Manager - Keep only wanted cookies.

Rated 5 out of 5 stars (9)
6,897 users
Updated April 23, 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)
28,879 users
Updated April 23, 2014

OutlookAlike BETA

Makes Thunderbird looking like Outlook.

Rated 3 out of 5 stars (12)
2,234 users
Updated April 19, 2014

Redmine連携

コンテキストメニューでRedmineチケットを作成します

Not yet rated
1 user
Updated April 18, 2014

Sort and Search Customization Dialogs

Sort and search for buttons in (any) toolbar customization dialog

Rated 5 out of 5 stars (10)
383 users
Updated April 18, 2014

ReminderFox

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Rated 4 out of 5 stars (422)
152,820 users
Updated April 17, 2014

quickFilters

Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.

Now supports easy merging of filters.

Rated 5 out of 5 stars (9)
5,939 users
Updated April 17, 2014

HTitle

Hide title bar if window is maximized.

This extension created only for GNOME 3. It can create problems with another DE (KDE, XFCE, etc). However, you can use HTitle at your own risk (need enable "legacy" mode on settings page).

Rated 5 out of 5 stars (49)
3,753 users
Updated April 16, 2014

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)
208 users
Updated April 16, 2014

Noia Fox options

Options manager and fixes for Noia Fox theme 3.0.0

Not yet rated
1,400 users
Updated April 15, 2014

QuickPasswords

Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.

Now also includes single sign on change!

Rated 5 out of 5 stars (32)
13,467 users
Updated April 13, 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)
84,891 users
Updated April 10, 2014

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist or bribes...

Rated 5 out of 5 stars (161)
574,697 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)
21,850 users
Updated April 9, 2014

Show InOut

Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...

Rated 5 out of 5 stars (31)
2,505 users
Updated April 8, 2014