Word Counter Pro

Small tool station word counter pro chrome extension provides a right click context menu to get stats on the selected text.
Word Counter Pro is a simple and useful tool that lets you views stats on selected text. 

How to use it:
highlight some text on a any webpage then Right click on it, and menu context appear choose word counter pro item. and It will show you the number of your selected words,characters as well as the average & longest word length. 
Unlike other word counting chrome extensions, Word counter pro does not open an external webpage just for the counting, nor does it require any permissions.