HTTP Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.
The HTTP headers appear in a box on top of the loaded content and disappear after a configurable number of seconds. The normal mode displays all requests, responses and cookies while the micro mode displays only a few configured response headers.
★ Headers also available in the browser action popup
★ Follow the full redirect path
★ Beautiful status indication icons
★ Inspect request headers, get, post and cookies too
★ Micro mode shows just the chosen response headers
★ Position in one of the four corners of the window
★ Set the display time of the headers
★ The display timer pauses when mouse is over the box
★ Box can be closed by clicking the X
★ Easy single-click highlighting of the headers
★ Choose between a light and a dark color-scheme
★ Filter headers to be shown
★ Highlight any string pattern in the header views