Do you care about your online privacy while chatting on facebook?

If you do, then TANIGER is what you need.

TANIGER is an online service that protects your facebook conversations
by encrypting your messages.

Secure your conversations using encryption algorithms like:
AES, DES, TripleDES, RC4 and Rabbit.

Anyone can use it.

All you have to do is install the extension to your browser and enable it when required.