Granted it's rather informal, you could say you're just putzing around:

M-W

putz verb putzed; putzing; putzes

 

Definition of putz (Entry 2 of 2)

 

intransitive verb
US, informal
: to spend time in an aimless or idle manner : putter, fool around —usually + around

Granted it's rather informal, you could say you're just putzing around:

M-W

putz verb putzed; putzing; putzes

Definition of putz (Entry 2 of 2)

intransitive verb
US, informal
: to spend time in an aimless or idle manner : putter, fool around —usually + around