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Fireclam Requires Restart

Use ClamAV to scan Firefox downloads for viruses.

Rated 4 out of 5 stars (46)
4,279 users
Added February 24, 2009

BatchDownload Requires Restart

Like FlashGet's batch download,but special designed for some image site!

Rated 4 out of 5 stars (27)
6,564 users
Added February 20, 2009

FireWebSSO Requires Restart

Secure remote storage of your personnal passwords, bookmarks and notes, crypted by your navigator. Auto-login, auto fill, auto detect authentication forms or HTTP-authentication, Single Sign-On, always synchronized with all your firefox navigators.

Rated 4 out of 5 stars (5)
3 users
Added February 12, 2009

Status-Bar Custom Buttons Requires Restart

Create your own status-bar buttons.

Rated 4 out of 5 stars (9)
43 users
Added January 31, 2009

ToggleReplied Requires Restart

Enables toggling of Replied/Forwarded states of messages.

Rated 5 out of 5 stars (7)
772 users
Added January 31, 2009

Browser Backgrounds Requires Restart

Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.

Rated 5 out of 5 stars (41)
8,212 users
Added January 30, 2009

MinimizeToTray For FF 3.5 Requires Restart

MinimizeToTray For firefox 3.Minimizes Mozilla windows into the system tray.Note:I am going to remove this extension if the original creator make a FF 3 version!

Rated 5 out of 5 stars (121)
1,505 users
Added January 24, 2009

Spanish (Spain) ChatZilla Requires Restart

Spanish (es-ES) Language Pack for ChatZilla

Rated 5 out of 5 stars (8)
1,088 users
Added December 31, 2008

JSONovich

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (38)
8,557 users
Added December 22, 2008

FiltaQuilla Requires Restart

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Rated 4 out of 5 stars (55)
10,565 users
Added December 18, 2008

Google Reader New Style Minimalistic By DemianGod

Removes all the junk from New Google Reader and just gives you the search and collapsable subscriptions + favicons. By DemianGod

Also you can install the Script for GreaseMonkey.
Download from: http://userscripts.org/scripts/show/30242

Rated 4 out of 5 stars (9)
139 users
Added December 16, 2008

ToneQuilla Requires Restart

Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.

Rated 4 out of 5 stars (16)
2,997 users
Added December 11, 2008

JunQuilla Requires Restart

1) adds column with percent likelihood that a message is spam, 2) extends junk status column to show why a message was classified as junk/good, 3) adds an Uncertain folder for messages needing user decision.

Rated 5 out of 5 stars (18)
4,368 users
Added December 5, 2008

StartupMaster

Asks for the master password at startup (fixes multiple password prompt)

Rated 4 out of 5 stars (231)
22,680 users
Added November 30, 2008

RequestPolicy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (227)
81,241 users
Added November 23, 2008

Bugmail Requires Restart

This extension adds bug status to the header pane. It currently supports Bugzilla, Trac, Flyspray and Launchpad.

Rated 4 out of 5 stars (24)
180 users
Added November 13, 2008

ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
9 users
Added October 23, 2008

Tamil to Sinhala Transliteration Requires Restart

Transliterate Tamil selected text in to Sinhalese. When click on that text full transliterated text display as popup.

Rated 5 out of 5 stars (3)
6 users
Added October 20, 2008

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (35)
4,889 users
Added October 12, 2008

GaiaFormat Requires Restart

An enhanced text formatter for GaiaOnline Forums, Private Messages, Guilds, and Profile comments.

Rated 5 out of 5 stars (3)
56 users
Added October 6, 2008