New Adsense Publisher Toolbar. Now there is a way to check Google Adsense revenue. You can use Adsense publisher toolbar, a chrome extension to check your Google Adsense account.
If you want to use Adsense Publisher Toolbar a Google Chrome extension:
Visit Chrome Web Store and download Adsense Publisher Toolbar (by Google) extension.
Grant access to your Google Adsense account.
Go to your website, where you publish your Google Adsense ads.
It is this easy.