Make the web faster, more private, and more secure.
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
Quickly and easily switch between popular user-agent strings.
a customizable extension to save the images from the current tab page
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+ ]
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion). Firefox 57+ is supported.
ICPBravo Access ICPBrasil and General PKI Extension.
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.
Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.