Fiddler Web Debugger is a serviceable web debugging proxy for logging all HTTP(S) traffic linking your computer to the internet, allowing for traffic inspection, breakpoint setting, and more.
It will allow you to inspect traffic, set breakpoints thoroughly, and "fiddle" with the incoming or outgoing data, includes a powerful event-based scripting subsystem, and be extended using any .NET language.
Fiddler Web Debugger will debug traffic from virtually any application that supports a proxy, including Apple Safari, Google Chrome, Internet Explorer, Firefox, Opera, and thousands more. You can also debug traffic from popular devices like Windows Phone, iPod/iPad, and many others.
Simple Port Forwarding works with webpages and not directly with your router making it a safe program to use. Supports 52 Languages and 2600+ routers. Portable version also available.