Most Popular Extensions
Expiry Canary Requires Restart
An extension to warn about nearly-expired website SSL certificates.
This simple addon probably needs updating for the upcoming changes in Firefox; however, I'm afraid I don't have time to learn the new stuff. If you can maintain it, contact me!
Saved Pages Conversion Wizard Requires Restart
Convert previously saved pages between MAFF, MHT, and HTML with a separate support folder.
This functionality is also available as part of the Mozilla Archive Format add-on.
Right Click Watch Ignore Requires Restart
Adds "Watch Thread" and "Ignore Thread" to right click context menu in Thunderbird and Seamonkey.
Toolbar panel for restarting the application with(out) multiple processes and for changing the maximum number of content processes (this requires Firefox 49 or newer).
BNR Exchange Rates Requires Restart
Show the exchange rates from BNR in the statusbar.
All the great features of /u/RemindMeBot in a quick and easy to use extension!
foxmeter Requires Restart
An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon
Korrigiert ärgerliche und den Lesefluß hemmende Schreibweisen auf Webseiten. Kann auch auf die in der Schweiz übliche Schreibung angepaßt werden.
This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.
ConQuery Requires Restart
Context searching for everyone and URL manipulation tool for advanced users...
Dynamic creation of bookmark-style toolbar buttons which you can customize.
Removes all the junk from New Google Reader and just gives you the search and collapsable subscriptions + favicons. By DemianGod
Also you can install the Script for GreaseMonkey.
Download from: http://userscripts.org/scripts/show/30242
Yoolki Arabic Keyboard Requires Restart
Write arabic text "bil 3arabi" on any web page without the need for an Arabic Keyboard.
AdWords OK Requires Restart
Google Adwords Statistical Relevance View Expansion: Don't make decisions on average values. AdWords-OK expands your AdWords statistics by min and max-values. Your values will stay in the longterm with a probability of over 95% between this values.
Subasa Tamil to Sinhala Transliteration Requires Restart
Tamil To Sinhalese Transliteration provide by Subasa Language Service
docked JS-Console Requires Restart
docks the JS-Console to the Bottom of the Browser
feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)
Tab Clicking Options Requires Restart
Select actions for various clicking events on a tab or the tab...
Foxfiltre Requires Restart
Adds a many graphic filters to the main context menu.
Extension Test Requires Restart
A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.