Google Chrome

In Google Chrome you may adjust cookie and site data permissions. Click the Chrome menu on the browser toolbar. Select Settings. Click Show advanced settings. In the Privacy section, click the Content settings button. In the Cookies section, you can change the following cookies settings: click All cookies and site data to open the Cookies and Other Data dialog. To delete all cookies, click Remove all at the bottom of the dialog.To delete a specific cookie, hover over the site that issued the cookie with your mouse, then click the X that appears on the right corner. You can also choose to remove all cookies created during a specific time period, using the Clear Browsing Data dialog. To block all cookies, select Block sites from setting any data. To block only third-party cookies, select the Block third-party cookies and site data checkbox.

Source: Google Support