Excelsior 4

by FujiSenseiSan

299 Add-ons in this Collection

Extension Auto-Installer by Wladimir Palant

Rated 5 out of 5 stars 48 reviews

5 users

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

Viral Threat Level by Serevinus

Rated 4 out of 5 stars 22 reviews

0 users

Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.

Window Master by Peter J. Sloetjes, MSc.

Rated 4 out of 5 stars 23 reviews

1 user

Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.

Asterisk Click2Dial by Jonathan SEMCZYK

Rated 4 out of 5 stars 8 reviews

0 users

This is an easy to use extention, select any number on a web page, right click to open the context menu which you can use to call this number.
Want it in your language, help us : https://translations.launchpad.net/click2dial-firefox-extension

Addons Recent Updates by Infocatcher

Rated 5 out of 5 stars 11 reviews

8 users

Show more addons recent updates

Change Referer Button by cK-LFC

Rated 5 out of 5 stars 17 reviews

3 users

Button in the toolbar/status bar to change referer value.

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

0 users

A suite of tools for developers.

Irvine ContextMenu by ASANO, Naoyuki

Rated 5 out of 5 stars 25 reviews

1 user

Downloads links and images with Irvine.

Safe for Amoled by Vasiliy Temnikov

Rated 3 out of 5 stars 19 reviews

1 user

Darkens the background of the page

Any key by Roman Mironenko, taye

Rated 4 out of 5 stars 23 reviews

1 user

Allows typing into phonetic Russian, Ukrainian, Amharic, Arabic, Armenian, Hindi Davangari, Hebrew, Mongolian, greek... transforming translit into the choosen language...

Restartless Restart by Erik Vold

Download Now

Experimental

Rated 4 out of 5 stars 204 reviews

12 users

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

No More Install Delay by trlkly

Download Now

Experimental

Rated 4 out of 5 stars 10 reviews

2 users

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

Restart application by Julien Fray

Rated 4 out of 5 stars 15 reviews

14 users

Restart the application with one click (or Ctrl Shift Z)

ImageTweak: zoom/rotate images and videos! by Carlo Alberto Ferraris

Rated 4 out of 5 stars 95 reviews

6 users

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Show File Size2 by Scatterplot

Rated 5 out of 5 stars 12 reviews

1 user

Shows the File Size in the download dialog.
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