Interface Customizations

Subscribe

Stylish

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (747)
672,178 users
Updated February 27, 2015

True Full Screen in SeaMonkey No Restart

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 (3)
278 users
Updated January 26, 2015

FlameFox 3 Rebrander

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

Not yet rated
2 users
Updated January 23, 2015

New Tab Button 2

Provides a new tab button for the navigation toolbar.

Not yet rated
9 users
Updated January 22, 2015

Sort and Search Customization Dialogs

Sort and search for buttons in (any) toolbar customization dialog

Rated 4 out of 5 stars (13)
511 users
Updated January 14, 2015

Re-Pagination No Restart

See more search results etc. on one page, concatenating several pages together...

Rated 4 out of 5 stars (43)
4,216 users
Updated January 11, 2015

FAYT Revived

Regain possesion of your good "Find As You Type" search bar in Firefox and SeaMonkey!

Rated 4 out of 5 stars (4)
126 users
Updated January 6, 2015

SixOrNot No Restart

IP address information for Firefox. SixOrNot is an icon-based display of IPv6 availability and utilisation also providing a listing of domain names and IP addresses involved in loading web pages.

Rated 5 out of 5 stars (12)
3,385 users
Updated December 16, 2014

Browser View

Open links, pages, and bookmarks in any other browser, using right-click context menus or with one click of the drop-down or standalone toolbar buttons. Modify any menu, browser name or location. Incognito/private browsing mode is also supported.

Rated 4 out of 5 stars (40)
1,714 users
Updated December 10, 2014

HTML5 Loop

Loop HTML5 Video and Music.

Rated 1 out of 5 stars (13)
1,423 users
Updated November 17, 2014

Old Default Image Style No Restart

Restores the default image style used for top-level images in previous versions of Firefox.

Rated 5 out of 5 stars (89)
10,517 users
Updated November 13, 2014

Password Tags

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (5)
2,819 users
Updated September 2, 2014

Right Links

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

Rated 5 out of 5 stars (112)
8,490 users
Updated August 18, 2014

Tab Wheel Scroll No Restart

Switch tabs by scrolling with the mouse wheel in the tab bar.

Rated 4 out of 5 stars (104)
11,021 users
Updated August 3, 2014

URLFilter No Restart

Block advertisement and access to adult sites

Rated 4 out of 5 stars (13)
5,158 users
Updated June 13, 2014

Custom Buttons

Gives a possibility to create custom toolbarbuttons...

Rated 4 out of 5 stars (86)
75,056 users
Updated June 3, 2014

Shift+LeftClick XUL

This simple addon has only this functionality, nothing else: it opens links in a new active tab with Shift+LeftClick (left mouse button click).
Better use https://addons.mozilla.org/ru/firefox/addon/shiftleftclick-opens-links-in-/ for FireFox.

Not yet rated
2 users
Updated May 9, 2014

Stylish Tools

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 5 out of 5 stars (2)
1,101 users
Updated April 28, 2014

Add Search Engines for SeaMonkey

Add missing search-engine detection to SeaMonkey

Rated 4 out of 5 stars (2)
59 users
Updated April 24, 2014

Stylish Sync No Restart

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (20)
5,855 users
Updated March 23, 2014