Top-Rated Extensions

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SeaTab-X-2 Requires Restart

Adds Firefox-style tab closers into SeaMonkey.

Rated 5 out of 5 stars (22)
1 139 gebruikers

Password Tags Requires Restart

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (14)
30 gebruikers

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

This add-on has been discontinued!

Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.

Rated 5 out of 5 stars (131)
10 gebruikers

Proxy Privacy Ruler

Restrict Proxy by Private Windows, Tabs and Domain List

Rated 5 out of 5 stars (31)
84 gebruikers

Вебмастер SAPE Requires Restart

Дополнительная панель инструментов Firefox содержит набор функций, расширяющих возможности вебмастеров и оптимизаторов при работе в интерфейсе биржи SAPE.

Rated 5 out of 5 stars (166)
16 gebruikers

Old Default Image Style

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

Rated 5 out of 5 stars (92)
39 gebruikers

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (313)
229 gebruikers

Standalone SeaMonkey Mail

Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.

Rated 5 out of 5 stars (6)
190 gebruikers

Download Status Bar

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (437)
369 gebruikers

Saved Password Editor Requires Restart

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (389)
898 gebruikers

Right Links Requires Restart

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 (148)
38 gebruikers

Sun Cult Requires Restart

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (108)
82 gebruikers

F.B. Purity - Cleans Up Facebook

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (111)
20 gebruikers

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (473)
1 123 gebruikers

Speed Start

Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks

Rated 5 out of 5 stars (80)
758 gebruikers

Keyword Search

Search in the address bar without changing your search engine.

Rated 5 out of 5 stars (84)
6 gebruikers

Copy Plain Text 2 Requires Restart

Copies text without formatting

Rated 5 out of 5 stars (96)
305 gebruikers

Ziftr Alerts (formerly FreePriceAlerts)

You do the shopping. We'll do the searching. It's that simple.

Rated 5 out of 5 stars (22)
1 gebruiker

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

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

Rated 5 out of 5 stars (60)
1 888 gebruikers

ConQuery Requires Restart

Context searching for everyone and URL manipulation tool for advanced users...

Rated 5 out of 5 stars (36)
0 gebruikers