Add-ons
Newest Extensions
Sort by:
Element Hiding Helper for Adblock Plus
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Tab Counter
A simple extension that counts the number of open tabs per window and displays the count in the toolbar...
MoveThrobber
Requires Restart
Move SeaMonkey's throbber from the Toolbar to the Menubar.
HashColouredTabs+
Requires Restart
Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★
IsAdmin
Requires Restart
Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.
World Weather+
Requires Restart
Displays local weather information from around the world...
Filter Uploader for Adblock Plus (unofficial)
Requires Restart
DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!
This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...
Tabinta
Requires Restart
Tabinta lets you insert tab characters in multi-line text input fields. The name itself is a shorthand for "Tab in Textarea"...
Relaxed the HTML Validator
Requires Restart
"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.
KarClient
Requires Restart
By installing this plugin you will be able to record and playback songs at kSolo.com...
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)
Live HTTP Headers
Requires Restart
View HTTP headers of a page and while browsing.
MonkeyMenu
Requires Restart
MonkeyMenu brings some of the features of the MenuX Firefox extension to the Seamonkey browser. You can add about 29 buttons to the Seamonkey user interface, collapse any toolbar, add/remove search engines, have your font zoom size reloaded, and...
ImageTweak: zoom/rotate images and videos!
Requires Restart
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.
CleanHide
Requires Restart
if you find some web page use Hidden Text insert in normal articles,try this.
URL Flipper
Requires Restart
Quickly and easily increment and decrement numbers and strings in URLs for navigating through URL sequences.
Russian hot keys bugfix
Requires Restart
Makes hot keys work with Russian, Ukrainian and Hebrew keyboard layout in Linux and *BSD (needed only for GTK2 builds).
Dictionary Switcher
Requires Restart
Toggles dictionaries automatically or manually and displays the currently selected one
Save Images
Requires Restart
Save Images saves the images from the current tab page, from the cache, to a specified location, with either the images original file name or a file name that you specify.
xSidebar
Requires Restart
Featured
Firefox style sidebars for SeaMonkey...
To create your own collections, you must have a Mozilla Add-ons account.
