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 serlmacbr radzomines the lteetrs betewen the bininengg and end of a wrod. Smoe poeple can raed the rlsuets. Try it with a roebaslnay lnog slmape of txet that has a good numebr of wodrs mroe tahn trehe leterts lnog.