Shortcut2Url

Your favorites are at your fingertips! Upon installation, you'll be presented with Shortcut2Url options page where you can add and edit your shortcut-link pairs. There are two modes: focusing on the tab that already exists and always opening a new one. Four shortcuts is limitation set by Chrome. Though it's rather enough for your most frequently used sites. You can change your keyboard shortcuts by visiting 'chrome://extensions/shortcuts'.