Most Popular Extensions


Diccionario de sinónimos ES

Adds to browser Spanish(ES) synonyms dictionary from package LibreOffice.

Not yet rated
144 users

Page Navigation Buttons No Restart

Adds a few buttons to help with page navigation, including Page Top, Page Bottom, Page Down and Page Up.

Not yet rated
138 users

Netlux Adblocker No Restart

Block unwanted ads.

Not yet rated
138 users

MR Tech Link Wrapper

Wraps long links and lines to spare you from having to scroll left and right...

Rated 4 out of 5 stars (9)
138 users

Random Theme Switcher

This extension switches your themes at random.

Rated 4 out of 5 stars (7)
132 users

Courseware Writer Helper No Restart

The helper for courseware writer

Not yet rated
131 users

IE Tab V2

Ported version of IE Tab V2 (Enhanced IE Tab) that is compatible with SeaMonkey 2. Based on work.

Rated 5 out of 5 stars (2)
129 users


Finds directions on Google and Yahoo Maps based on your selected text and one of various home addresses that you can store.

Rated 4 out of 5 stars (41)
129 users


Prevents Google and Yandex from obfuscating and hijacking links in SERP.
Allows to copy/paste *direct* links from Google/Yandex search results instead of redirects.

Rated 5 out of 5 stars (2)
128 users

DHS Facebook Unblock

Plugin to get around the Washtenaw County Facebook block.

Rated 3 out of 5 stars (1)
124 users

No Close Other Tabs

Removes "Close other tabs" context menu item.

Rated 4 out of 5 stars (1)
122 users

Password Mask Changer No Restart

Changes the mask character used in password fields.

Rated 5 out of 5 stars (4)
121 users


Forumzilla lets you read news and blog feeds in your email application. It is similar to the feed reader built into Thunderbird, but it lets you download stories into any folder in any POP, IMAP, or local account (configurable per...

Rated 3 out of 5 stars (5)
118 users

Forwarding to the available information resources

The system is designed to redirect from alias with obsolete and invalid network and a local address information resources on the act for which the resource is available. The system can perform advanced search resources.

Rated 1 out of 5 stars (1)
117 users

Youtube Video Size

Watch Youtube videos in full page size.

Rated 5 out of 5 stars (1)
116 users

Subasa Tamil to Sinhala Transliteration

Tamil To Sinhalese Transliteration provide by Subasa Language Service

Rated 4 out of 5 stars (1)
116 users

Flashblock Ultimate Alt Zero

This extention allow to remove focus from embedded flash object by pressing Ctrl+Esc or Ctrl+F12 (see mozilla superbug: 78414) and move focus back by Alt+Esc or Alt+F12

Rated 4 out of 5 stars (2)
113 users

Generic CSS Loader 2

A very basic CSS loader for Firefox. No fancy features, just an alternative to userChrome and userContent files.

Rated 5 out of 5 stars (3)
113 users

IP Flager No Restart

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (2)
112 users

MathML Zoom No Restart

Allow zooming mathematical formulas

Not yet rated
110 users