Interface Customizations


AMO Browsing for SeaMonkey

This extension makes browsing for extensions easier at It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.

Rated 5 out of 5 stars (5)
206 users

Duplicate Tab Requires Restart

Duplicate Tab allows you to clone a tab along with its...

Rated 4 out of 5 stars (164)
199 users

Zing! Locale Switcher

Want to change from one language to another? Zing! and the locale is switched.

Rated 5 out of 5 stars (2)
198 users

NiceReader Requires Restart

NiceReader is designed for web reading. You can customize font, color, size, background, specify the elements to read, filiter ad elements, filiter ad strings, automaticaly turn page.

Rated 5 out of 5 stars (2)
191 users

TaQuilla Requires Restart

Automatic tagging using Bayesian statistics

Rated 4 out of 5 stars (13)
179 users

MonkeyFix Requires Restart

Fixes up numerous SeaMonkey browser interface issues (eg. adding support for popup ALT attributes), as well as adding some handy features for developers and power users (eg. configure source viewer, work online/offline).

Rated 5 out of 5 stars (3)
173 users

Page Navigation Buttons

Adds a few buttons to help with page navigation, including Page Top, Page Bottom, Page Down and Page Up.

Rated 5 out of 5 stars (3)
172 users


A full featured color selector tool, to work with colors, and easily find the colors you want.

Not yet rated
162 users

FAYT Revived Requires Restart

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

Rated 4 out of 5 stars (4)
148 users

Remember Mismatched Domains Requires Restart

The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...

Rated 5 out of 5 stars (66)
142 users

From/To Column Requires Restart

Add a “From/To” column which shows the recipient if you are the sender.

Rated 5 out of 5 stars (2)
126 users

No Caption

Hide the caption of Firefox

Rated 4 out of 5 stars (17)
123 users

Zorcher Requires Restart

Selecting a small text on the page do not need to copy it into the search bar of your browser or search engine. Just press the right mouse button and select the search service from the available list.

Rated 5 out of 5 stars (10)
95 users

Tab Clicking Options Requires Restart

Select actions for various clicking events on a tab or the tab...

Rated 4 out of 5 stars (70)
83 users

SeaMonkey Vertical Tab Bar Requires Restart

Tab bar on the side of the window for SeaMonkey.

Rated 5 out of 5 stars (6)
65 users


Dynamic creation of bookmark-style toolbar buttons which you can customize.

Rated 5 out of 5 stars (12)
57 users

Dark Background and Light Text (SeaMonkey)

Makes every page to have light text on dark background (exact colors are customizable)

Firefox version is here:

Rated 5 out of 5 stars (2)
39 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
36 users

Link Status Requires Restart

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.

Rated 4 out of 5 stars (33)
35 users

Password Mask Changer

Changes the mask character used in password fields.

Rated 5 out of 5 stars (4)
31 users