Blogger Shortcodes for Editing and Posting
Blogger has several keyboard shortcuts you can use while editing posts. They definitely work in Internet Explorer/Windows and the Mozilla family (Firefox), and might work in other browsers.
Here they are:
Control + B = Bold
control
Control+ I = Italic
control
Control+ l = Blockquote (when in HTML-mode only)
Control + z = Undo
control
Control+ y = Redo
control
Control+...
