Migrating from Firebug, Firebug will be dropped with next month's release of Firefox Quantum (version 57). Today, the work pioneered by the Firebug community through the last 12 years lives on in Firefox Developer Tools. We fought the good fight and changed how developers inspect HTML and debug JS in the browser. The story of Firefox and Firebug are synonymous with the rise of the web. It also let you monitor CSS, HTML, and JavaScript live in any web page, which was a huge step forward.
