Google Toolbar
is a popular browser add-on that makes it possible to quickly perform Google Web searches, prevent annoying pop-up ads from appearing, and fill in Web forms with one simple click.

• SpellCheck
Check your spelling whenever you type in web forms

• WordTranslator
Translate English words into other languages

• AutoLink (US only)
Turn street addresses into links to online maps

• AutoFill
Automatically fill out forms for faster online shopping

System requirements:
• Windows XP/2000 SP3+, Mac OS X 10.2+, or Red Hat Linux 8.0+
• Firefox 1.0+

Download: Google Toolbar for Firefox 1.0.20051104


Also available:
• Other Firefox extensions
from Google
• Googlebar
, an open-source toolbar written by Google fans