IEInspector HTTP Analyzer - HTTP Sniffer, HTTP Monitor, HTTP Trace, HTTP Debug
Monitor HTTP, Trace HTTP, Debug HTTP, Capture HTTP, Track HTTP and Analyze HTTP/HTTPS!
IEInspector HTTP Analyzer is such a handy tool that allows you to monitor, trace, debug and analyze HTTP/HTTPS traffic in real-time. It is used by industry-leading companies including Microsoft, Cisco, AOL and Google.

Main Features
* Real-time Request Level Time Chart, The colored time chart is used to express the relative time between a single network level timing (i.e. , DNS lookup, TCP connects) and other timing segments in the same request. New in V3
* Real-time Multi-level summaries, The summary panel displays the real-time updated summary information on the HTTP/HTTPS requests in a single webpage, a single monitored process or the whole log. New in V3
* Request builder, Users can handcraft an HTTP request by using the HTTP Request Builder, or use a drag-and-drop operation to move an existing request from the session grid to the Request Builder to execute it again.
* Automation interface, The HTTP Analyzer automation library is packaged as COM components. both Stand-alone and Add-on can be fully controlled by using OLE Automation. It can be used by most programming languages (e.g. C#, Delphi & javascript).
* Displays Winsock traffic originating from Java applets and javascript embedded in a Web page, displays Winsock traffic originating from ActiveX controls and COM objects instanced by an application (Stand-alone Edition Only)
* Support HTTPS, show you unencrypted data sent over HTTPS / SSL connections, HTTPS is available if the application uses the Microsoft WININET API (ex. ie, outlook) or Mozilla NSS API. (ex. firefox, thunderbird)

Homepage - http://www.ieinspector.com/httpanalyzer/index.html