Getting Live HTTP Headers to work with Firefox 4

UPDATE: The official Live HTTP Headers add-on now works with Firefox 4: Download Here: http://livehttpheaders.mozdev.org/ Note this is a temporary solution, and worked for me with Firefox 4 b12: Download the .xpi file (Use right-click save as or Firefox will try to install the add-on) Rename .xpi to .zip Unzip the contents Edit install.rdf Under […]