DebugBar is an Internet Explorer plug-in that brings you new powerful features. View DOM Tree and modify tags attributes and css attributes on the fly to test your page. View HTTP/S request to check cookies, GET and POST parameters, view server info. View javascript functions for easier debugging, see Javascript and AJAX code. Validate HTML code to correct and optimize your code and html size of your page. See page cookies, get pixel color on a page, make a page screenshot.