Up & Coming Extensions

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Open With Google Chrome No Restart

Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.

Rated 5 out of 5 stars (5)
11 041 gebruikers

Free Memory Button No Restart

Free unused memory that Firefox is currently using.

Rated 5 out of 5 stars (2)
2 546 gebruikers

Lightning Uitgesoek

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1 851)
3 100 063 gebruikers

All Menus Button No Restart

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 (4)
1 033 gebruikers

uBlock Origin No Restart

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (139)
149 901 gebruikers

Bookmark Toolbar Menu Button No Restart

Show the contents of the Bookmarks Toolbar in a drop down menu. This compresses the bookmark menu into one button that you can put on any toolbar you want to.

Rated 5 out of 5 stars (2)
1 177 gebruikers

Extra Format Buttons

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 5 out of 5 stars (5)
3 340 gebruikers

RedirectCleaner No Restart

RedirectCleaner cleans Redirects from Links

Rated 4 out of 5 stars (5)
3 291 gebruikers

OpenDownload²

OpenDownload² extends the "Save" dialog by a "Run" button to open the file directly.

Rated 5 out of 5 stars (137)
29 216 gebruikers

Sharp Color Picker No Restart

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

Nog nie gegradeer nie
1 132 gebruikers

Forecastfox (fix version)

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!

Rated 5 out of 5 stars (126)
28 323 gebruikers

GitHub Extension Installer No Restart

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (8)
2 390 gebruikers

Pan No Restart

Block ads and manage proxy.

Rated 5 out of 5 stars (52)
2 188 gebruikers

Mouse Gestures Suite

Mouse gestures for SeaMonkey & Firefox: navigate & execute commands using mouse gestures (with single mouse button) and rocker gestures (by pressing 2 mouse buttons). Also: scroll wheel navigation, page scrolling, tab scrolling.

Rated 5 out of 5 stars (19)
5 779 gebruikers

HTML5 Loop

Loop HTML5 Video and Music.

Rated 1 out of 5 stars (13)
1 404 gebruikers

FlashResizer

Makes Flash Movies/Games Resizable, and other enhancements.

Rated 4 out of 5 stars (27)
12 058 gebruikers

Menu Wizard

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (105)
16 991 gebruikers

SeaTab-X-2

Adds Firefox-style tab closers into SeaMonkey.

Rated 5 out of 5 stars (15)
1 726 gebruikers

Black background and white text No Restart

Makes black background and white text on every page

Rated 5 out of 5 stars (21)
4 897 gebruikers

Update Channel Selector

Allows you to change the application update channel.

Changing only the channel with Gecko 12 became insufficient because it's "*.mar" related security landings.

Rated 3 out of 5 stars (10)
6 166 gebruikers