Interface Customizations

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Link Status Redux Requires Restart

Shows an indicator on the status bar in front of the link address when the mouse cursor is over a link to a page you have bookmarked or visited before.

Rated 4 out of 5 stars (33)
1,179 users

Dorando keyconfig Requires Restart

A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) works again!

Rated 5 out of 5 stars (20)
2,712 users

SeaTab-X-2 Requires Restart

Adds Firefox-style tab closers into SeaMonkey.

Rated 5 out of 5 stars (21)
2,278 users

True Full Screen in SeaMonkey

This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.

Rated 5 out of 5 stars (17)
4,296 users

RC Print Requires Restart

Adds a "Print" option to the Right-Click context menu.

Rated 5 out of 5 stars (2)
1,530 users

Profile Buttons

A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.

Rated 2 out of 5 stars (3)
1,299 users

All Menus Button

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (6)
2,149 users

GNotifier

Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.

Rated 5 out of 5 stars (15)
12,774 users

SeaFind - Findbar for SeaMonkey Requires Restart

Adds the find in page toolbar (findbar) from Firefox to SeaMonkey.

Rated 5 out of 5 stars (1)
3 users

Edit Custom Size Image Requires Restart

Fixes a bug in SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always reset the image to actual size.

Not yet rated
11 users

Big Navigation

enlarging the navigation links on the pages

Rated 5 out of 5 stars (6)
657 users

New Tab Button 2 Requires Restart

Provides a new tab button for the navigation toolbar.

Not yet rated
12 users

Open With Vivaldi Browser

Open With Vivaldi Browser sends pages from Mozilla Firefox to Vivaldi browser.

Rated 3 out of 5 stars (1)
144 users

Export All Certificates Requires Restart

Adds an option to export all root certificates.

Rated 3 out of 5 stars (2)
759 users

SM Home Button Requires Restart

Navigation bar Home Button (resurrected by sailfish)

Not yet rated
37 users

Email this page Requires Restart

Simple SeaMonkey Email this page button

Not yet rated
11 users

FlameFox 3 Rebrander Requires Restart

Rebrand SeaMonkey as Firefox 3 (by 2008WindowsVista and a11RyanC2)

Not yet rated
1 user

Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 5 out of 5 stars (3)
754 users

tab-counter Requires Restart

shows the number of tabs in the status-bar

Rated 4 out of 5 stars (6)
617 users

MirFox Requires Restart

Firefox - Miranda NG integration.
Adds options to Firefox context menu:
- Send page, link or selected text to contact from Miranda
- Set page, link or selected text as status message on Miranda account

Rated 4 out of 5 stars (2)
210 users