firefox multiple proxies

How do all of you run multiple Facebook profiles on 1 computer without any issues? I have already gotten a few different private residential proxies. However, I am currently torn between creating different firefox profiles (+ disabling webRTC), and using multilogin. I heard that both work...

Hello there guys! I was looking for a way to use more than 1 Firefox instances with 1 proxy loaded on each instance. I was looking for add-ons found foxyproxy but the premium version needs money and also I have no guarantee that it will work. The solution was simpler than I thought! 1)...