Top-Rated Extensions


Restart Application Button

Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.

Rated 4 out of 5 stars (3)
617 users

Display mail route Requires Restart

Displays country icons for the stations (server) the mail has been routed.

Rated 4 out of 5 stars (11)
731 users

YouTube Video Player Speed

YouTube Video Player Speed play YouTube videos in whatever speed you want

Rated 4 out of 5 stars (3)
22,193 users

Shrunked Image Resizer Requires Restart

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

Rated 4 out of 5 stars (34)
8,251 users

Controle de Scripts Requires Restart

Controle de Scripts is an extension that allows you to control what JavaScripts do on your browser.

Rated 4 out of 5 stars (28)
2,464 users

From/To Column Requires Restart

Add a “From/To” column which shows the recipient if you are the sender.

Rated 5 out of 5 stars (2)
190 users

View Source Requires Restart

Shows all source files of a webpage.

Rated 4 out of 5 stars (6)
1,062 users Geolocation Plugin Requires Restart

Displays Geolocation information for a website using data. Works with all versions of Firefox...

Rated 4 out of 5 stars (13)
936 users

Scroll Menus On Drag Requires Restart

Scrolls menus when dragging, fixing bugs 194319, 240709, and 349932. Scrolls all autorepeatbuttons and prevents bookmarks menu hiding on all menuseparators.

Rated 4 out of 5 stars (5)
11 users

Personas Plus

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Rated 3 out of 5 stars (933)
273,341 users

BNR Exchange Rates Requires Restart

Show the exchange rates from BNR in the statusbar.

Rated 4 out of 5 stars (4)
154 users

FAYT Revived Requires Restart

Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!

Rated 4 out of 5 stars (4)
217 users

SourceEditor Requires Restart

View and Edit source of HTML element...

Rated 3 out of 5 stars (20)
1,539 users

SyncKolab Requires Restart

SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (

Rated 3 out of 5 stars (75)
6,247 users

Bitacora Requires Restart

Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. Update for fcp's addon

Rated 4 out of 5 stars (9)
17 users


Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.

Rated 4 out of 5 stars (8)
23,038 users

printplus Requires Restart

PDF export support by Gecko.

Rated 4 out of 5 stars (5)
592 users

docked JS-Console Requires Restart

docks the JS-Console to the Bottom of the Browser

feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)

Rated 4 out of 5 stars (10)
165 users

Gmail S/MIME Requires Restart

Send and receive signed and encrypted messages in Gmail.

Rated 3 out of 5 stars (48)
2,427 users

easy Xdebug Requires Restart

This addon was built to make debugging while using netbeans PHP easier.

Rated 3 out of 5 stars (38)
5,297 users