What is this?
The scrambler randomizes the letters between the beginning and end of a word. Some people can read the results. Try it with a reasonably long sample of text that has a good number of words more than three letters long.
The srmaceblr ranodzimes the leretts beewten the binenging and end of a wrod. Some polepe can raed the reutlss. Try it wtih a rensaloaby lnog samlpe of text taht has a good nbemur of wdros more tahn trehe lttrees lnog.