FoxyProxy

Screenshot

Configuration

Note: To hide FoxyProxy, right-click the icon and select "Pin to Overflow Menu" from the list; after installing in Firefox.

Add Proxy

OWASP ZAP

title: zaproxy
color: #005fa7
proxy:
  type: HTTP
  address: 127.0.0.1
port: 8080

mitmproxy

title: mitmproxy
color: #c93312
proxy:
  type: HTTP
  address: 127.0.0.1
port: 8080

Import Settings from FoxyProxy 6.0+

Configuration File: foxyproxy.json

Reference