If you have a website and use Google AdSense, there is an extension for Google Chrome web browser that can help you view and monitor your AdSense without leaving your website. 

You only need to already logged in your google account associated with your AdSense account, then click the icon to get an instant overview of your account. 

Once installed, it will look like the screen-shot seen up on the top right.

The AdSense Publisher Toolbar gives AdSense publishers two easy ways to access real-time information about their accounts and the ads served on their websites.  

Pop-up account overview lets you view the following at a glance:   

•  Account earnings summary (today, yesterday, this month...) 
  
•  Top 5 custom channels 
  
•  Top 5 URL channels 
  
•  Lifetime revenue 

In-site ad overlay gives you the following options right in your site: 

•  Instant summary of each ad unit’s earnings (today, yesterday, last 7 days) 
  
•  Links to go straight to your AdSense account
  

Controls over in-site ad overlays are also enabled by clicking this icon while viewing your site.

Get AdSense Publisher Toolbar at: chrome.google.com.