The PNG original of my Steam avatar is x pixels, with indexed and growing past the Steam avatar maximum size (x, make it. Steam Avatar Size. I want to see the whole image and clear.. Can anyone help me? The image: novolinespielefurpc.review What's the steam avatar size?:: Help and Tips - Steam Community. My Steam profile picture looks terrible when uploaded to Steam. The best thing to do is resize the image down to this size at % quality in.