ENCODE / DECODE with JavaScript* la versíon española la version française

Text:

Key phrase:    

This is for educative purpose only. If you want to use a strong cryptography tool to protect your privacy, based on JavaScript, go to: JS-CODER/DECODER

You may encode more than one time, even changing the key phrase at each time, and if you reverse the same you will recover the original text. Neat!

*With Netscape this script can have erratic behavior.