What Google says about Google Toolbar software: " Integrates with Internet Explorer's and Firefox's toolbar. Features include web search, image search, search site, page rank, and page information."
Google Toolbar
Google Toolbar is free software from Google which adds extra functionality to your internet browser. Google Toolbar is available for both Firefox and Internet Explorer.
Google Toolbar features:
easy to add extra buttons to the toolbar
making bookmarks of often visited websites
faster search with Google suggestions
sharing websites on your blog, e-mail or SMS
open e-mail links in HTML directly with Gmail
spelling checker
safe surfing with Google Safe Browsing warns for phishing threads
