Create Strong Passwords From Easy Ones

passwordchart.com is a website where you can convert an easy to remember password to a strong one. All you have to do is enter a phrase of your liking for which a password chart is created and then you have to enter a password of your choice to convert using the created chart. The website uses simple substitution cipher technique to do all this. In addition it works anywhere on any computer. It also works offline if you print out the chart.
http://www.passwordchart.com