Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Recently Updated Extensions
Facebook Message Seen Disable No Restart
Facebook Message Seen Disable lets you turn off Facebook's Message Seen feature automatically for your account. You can still use Seen feature for others.
Facebook Photo Zoom No Restart
Facebook Photo Zoom lets you zoom Facebook images.
Open With Photoshop No Restart
Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.
New Feature: Language learning!
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Theme Font & Size Changer No Restart
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more
Instagram Video Download No Restart
Download videos from Instagram (and as plus, easily save photos).
Share Button for Pinterest No Restart
Send images and pages to your Pinterest account quickly and easily with Share Button for Pinterest.
Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.
Lists installed add-ons (extensions, themes, plugins). Compatible version linked from the Developer comments section at the bottom of the addon's page.
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.
Facebook Toolbar Button No Restart
Facebook Toolbar Button lets you visit your Favorite Facebook quickly and easily by adding a special Facebook Button to your Toolbar.
Open With Google Chrome No Restart
Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.
Facebook Messenger No Restart
Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.
Direct YouTube downloads MP3 M4A AAC and HD MP4, FLV, 3GP. With just one mouse click! With the click off an mouse button! Super fast downloads right from the Youtube video page you are viewing.
Tab Numbers No Restart
Keeps track of your browser tab number.
Adds the ability to create and edit entries in the password manager.
YouTube Flash Video Player No Restart
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.