AdBlock for Chrome! Blocks ads all over the web.
AdBlock+ – Element Hiding Helper
An adblock extension for Google Chrome. Similar to “Remove It Permanently” and “Adblock Plus: Element Hiding Helper” from FireFox.
** Firebug Lite**
Firebug Lite for Google Chrome, supported by the Firebug Working Group.
Speed Dial for Chrome – replace Chrome new tab with your predefined visual bookmarks.
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Ultimate Chrome Flag
This extension displays country or region name, Geo, Google PageRank, Alexa Rank and WOT info for the websites you’re visiting.