Permute

This eoxsteinn rndlomay petumres all txet on the cnruert pgae, pserevnirg smoe smnelacbe of ssene.
Fisrt and lsat leterts are prersveed.
Wodrs are petumred in a drienesittmic fohasin: smae wrod wlil porudce smae otuput iisnde one run.

Only wokrs wtih Ltain and Crililyc aplbhtaes for now.

(Note: this is a joke extension and the text above is garbled intentionally; also, it doesn't work on Web Store pages)

2.0: Switched to context menu UI

Source: https://github.com/kav2k/permute/
Logo credit: David Vignoni - http://www.icon-king.com/
Inspired by April Fools prank by http://sumirea.ru/