FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
An easy-to-use tab reloader with custom reloading time settings for individual tabs
SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
Quickly and easily switch between popular user-agent strings.
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions. Beta builds on versions page!
Add-on to display GitHub code in tree format
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes". [ not compatible with Firefox / Thunderbird 57+ ]
It is a universal night mode for the entire Internet. It uses a special algorithm to automatically change the colors of the websites you visit into dark mode so that you can browse without straining your eyes, especially at night.
Extension de partage d'écran sur l'application JITSI utilisée par le RIE
Automatically sets all preferences for Firefox addon developer production environment.
Add and modify the HTTP request headers and response headers. ** Features ** - Add / modify / remove request headers and response headers - Multi-profile support - Filtering based on URL - Export, import, cloud backup