How to turn off facebook chat. Many times when you are on facebook you do not actually want other people to see that you are connected. ON. OFF. You are probably busy doing other work and cannot chat. To change your chat settings. Sign into facebook. Go to chat which is located in the lower right hand corner. You will see the "options" icon represented by the following symbol. * Click it and then click "turn off chat". You will now appear offline to your contacts. When you click "edit chat settings" it will bring up a suggestion of being connected for selective groups of friends. Remember that even when you are offline you can continue to communicate with your contacts through private messages or "inbox". Choose who sees when you are connected.