Google Toolbar for Firefox Launched July 19, 2005; shut down September 1, 2009 — it lived 4 years. One of 10 Google products killed in 2009. Google Toolbar was a web browser toolbar for Internet Explorer, developed by Google. It was first released in 2000 for Internet Explorer 5 and above. Google Toolbar was also distributed as a Mozilla plug-in for Firefox from September 2005 to June 2011. On December 12, 2021, the software was no longer available for download, and the main website now redirects to a support page. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).