ReFont – Get this Extension for 🦊 Firefox (en-US)

Download ReFont for Firefox. Change the font on any website to one installed on your computer or hosted on the web.

FoxReplace – Get this Extension for 🦊 Firefox (en-US)

Hydrator – Get this Extension for 🦊 Firefox (en-US)

Tracking & Ad Removal on Facebook – Get this Extension for 🦊 Firefox (en-US )

YesWiki : Rechercher

How to install Google Chrome extensions in Firefox - gHacks Tech News

tweak: mock and modify HTTP requests – Get this Extension for 🦊 Firefox (en -US)

RESTED – Get this Extension for 🦊 Firefox (en-US)

hooverZoom – Get this Extension for 🦊 Firefox (en-US)

amo-info – Get this Extension for 🦊 Firefox (en-US)