Google has recently released a new interesting Google Chrome extension for Google Adsense publishers called the AdSense Publisher Toolbar. This extension allows the Adsense publishers to quickly check their earnings with just a click of a mouse from your browser window.
AdSense Publisher Toolbar extension adds a button on the top right corner of your Chrome browser. When you click on the button, it shows your AdSense account performance as a widget without leaving the webpage you are currently viewing. This extension shows you the summary of your estimated Adsense revenue for present day, previous day, current month ans the last month. It also shows the earnings for top 5 custom channels.