Assalam-o-alaikum

Graphic expert plz help me

internet se jab ham clipart download karte hain to wo low resolution ke hote hain. pehla sawal uski resolution corelx5 me kaise barhain?
doosra sawal wo jpg format me hote hain usko vector graphic me kaise convert karen take editable hosake baghair losing graphic jaise agar mai trace karta hoon to uski graphic kharab hojati hai. plz help me

shukriya

wasalam