Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Privacy and Security
URLFilter No Restart
Block advertisement and access to adult sites
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.
Certificate viewer enhancements: PEM format view, file export, trust configuration
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.
Click-to-Play Manager No Restart
Manages the Click-to-Play domain whitelist.
One Password To Rule Them All!
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
Display Country Flag indicating Website Physical Location (Country, State, City). Website Popularity (Live Visitor Statistics). Shows how many users are visiting any World Website per day. Website IP IPv6 Addresses, DNS, Hosting. IP Whois Lookup
Pan No Restart
Block ads and manage proxy.
Scan your computer for malware now! FREE. Simple. Amazingly fast.
Control cookie permissions.
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
RequestPolicy Sync No Restart
Sync engine for RequestPolicy.
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
Easily and quickly to encrypt / decrypt
For users: private messages via e-mail, blogs, social networks, forums, etc.
For webmasters: websites, images, photos, etc.
Support: Firefox, Thunderbird and SeaMonkey
Gives an option to show the master password on input
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
This add-on is not compatible with your version of SeaMonkey because of the following:
- Add-on uses binary components.
Allows recipients to cancel their newsletter subscriptions in the thunderbird interface.