Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Customizations for Adblock Plus No Restart
This extension provides various customization options for the Adblock Plus user interface.
Restartless Restart No Restart
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
YouTube Anywhere Player No Restart
Watch videos anywhere in cinema mode without leaving the website you're on.
Allows users to edit the flags Thunderbird sets on folders.
Adds metadata and sortable tags to the password manager.
Transform SeaMonkey into Firefox 3.x
Converts text links into genuine, clickable links...
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Resize 'Add Bookmark' Popup / 'Edit This Bookmark' Popup, fixes tree selection bug, option to disable popup auto close & Update Url and/or Name of a bookmark with the Url/Title of current page.
Replacement of OpenBook addon
Re-Pagination No Restart
See more search results etc. on one page, concatenating several pages together...
Big Navigation No Restart
enlarging the navigation links on the pages
All Menus Button No Restart
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
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.
Add a compact menu button to the navigation toolbar, and hide the menu bar.
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.
Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.
Displays icon for user agent of received mails.
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Selecting a small text on the page do not need to copy it into the search bar of your browser or search engine. Just press the right mouse button and select the search service from the available list.