no big deal

and no biggie

Inf. [of something] not difficult or troublesome. Don't worry. It's no big deal to wash the car. No problem. It's no biggie.

and no biggie and no big whoop

n. (something) not difficult or troublesome. (see also NBT.) Don’t worry. It’s no big deal. No biggie; no prob.

Name	Pronounced	Usage
Gross	[grəus]
Kalla	KAL-ə	English (Rare)
Fernanda	fer-NAHN-dah (Spanish)	Spanish, Portuguese, Italian
Lupita	loo-PEE-tah	Spanish
Arrowsmith	['ærəusmiθ]
Wasylyna	-	Ukrainian