YOU SAID:
hello how are you all doing today
INTO JAPANESE
こんにちは、今日は皆さん元気ですか?
BACK INTO ENGLISH
Hello everyone, how are you today?
INTO JAPANESE
こんにちは、みなさん、今日はどうですか?
BACK INTO ENGLISH
Hello everyone, how are you today?
That didn't even make that much sense in English.