YOU SAID:

I'm just tired right now

INTO JAPANESE

ちょうど疲れて今

BACK INTO ENGLISH

Just tired now

INTO JAPANESE

疲れているだけの今

BACK INTO ENGLISH

Now just tired

INTO JAPANESE

今だけ疲れた

BACK INTO ENGLISH

I am tired only now.

INTO JAPANESE

私は今だけ疲れている。

BACK INTO ENGLISH

I am tired only now.