Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Privacy and Security
Bluhell Firewall No Restart
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Customizations for Adblock Plus No Restart
This extension provides various customization options for the Adblock Plus user interface.
Minimum and fast URL blocker by regular expression.
CS Lite allows you to set the permission of the cookie every domain from toolbar.
Open text URLs from the context menu.
Click-to-Play Manager No Restart
Manages the Click-to-Play domain whitelist.
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.
An extension to warn about nearly-expired website SSL certificates.
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.
Easily and quickly to encrypt / decrypt:
Private messages via e-mail, blogs, social networks, forums, websites, images, etc
Support: Firefox, Thunderbird and SeaMonkey
New feature: CryptoPad (crypto-notepad)
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
One Password To Rule Them All!
CookieKeeper No Restart
Extended Cookie Manager - Keep only wanted cookies.
Disable clipboard manipulations No Restart
This extension prevents websites from interfering with your copy and paste actions.
Note: The same functionality is now built into Firefox, you can just change the dom.event.clipboardevents.enabled preference manually.
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.
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. In Firefox 3.5 and later, the extension also offers an option to disable the visited link styling to reduce the risk to privacy.
Control what gets sent as the HTTP Referer on a per-site basis.
Protection from adult content (parental control) and from dangerous sites.
Entrust protection for yourself and your children to professionals!
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.