FireFox Add on / Extension Browser

Hey there. Can you explain to me what you want to achieve with this extension? What is the end goal of it? I can't really tell if I can make it without the specifications of it. Also, when do you plan to start the project and when is the deadline, if there is one? Anyways, feel free to hit me up so we can talk more on this. I am very responsive. All the best

Hello, I am Tuan, I have experience develop plugin/extension for browser (all browser: chrome, firefox, edge, ie, safari) and other platform and I have other experience need to develop your app.