(especially Australia, UK, Canada, New Zealand, Singapore, Malaysia, colloquial) A general injunction not to be concerned further with a subject.
It does not bother me; I am not concerned.
Sorry if my music's bothering you. — No worries. I really like classical.
It was no problem; not at all; you're welcome.
Thanks for the lovely bowl of fruit. — No worries, my sister runs a stall at the market.
Do not worry, I will do it.
I need this done by closing time. — No worries, I'll have it sorted.
Imaginary Zuckerberg response: "No worries: we'll resolve all those nuisance laws just as soon as TPP is signed." Source: Internet
No worries about a glass pie plate then, either. Source: Internet
No worries and take your time. Source: Internet
No worries at all, the recipe was absolutely amazing and it’s first on my list to make again when I am allowed back on gluten. Source: Internet
No worries, Dr. Barber is open for business! Source: Internet
No worries, I have already thought of that too! Source: Internet