i want to know how to know whom all i have switched off in facebook?

[Freddy]

i have turned off few friends in from chat, now i think done this i have done with lot of people, please guide me to find the ways from which i can turn on again.

[Sinaco Global]

If you want to turn off chat for all of your friends, then you can select offline mode (which is on right side) and if you want to turn off chat for few of your friends then you can select another option and type friends name which you want to keep offline mode.