HTTP Spy .NET enables you to trace HTTP requests to a web site in order to analyze headers, raw HTTP data and connection bottlenecks. The software provides a real-time log view and can also log requests to a file. You can limit logging to specific sites, exclude sites, mark packets and preview images. HTTP Spy .NET only works with Internet Explorer traffic.

Features:
1. Light and easy to deploy (one executable only)
2. Small (less than 2 meg)
3. Rich and easy user interface
4. Auto update
5. Compatible with Windows XP/2k3/Vista
6. Free (for personal uses)
7. Monitor opened connection
8. Log requests to file
9. Flag request for an easier tracking
10. Insert grid marker for an easier tracking
11. View and clear log file
12. Profile Url: content, size, http code...
13. Get stats about Url (calls, duration, bytes in, bytes out)
14. Get the size and the duration of the each request
15. View request details for each connections
16. Inspect request header or content
17. Inspect response header or content
18. Raw data view
19. Hex data view
20. Decompressed data view with supoprt of gzip and deflate
21. Xml data view
22. Image data View
23. Summary data view
24. View HTTP header details

The license of this software is Freeware, you can free download and free use this protocol analyzer software.