It's Nothing
Meaning/Usage: To tell someone that the task you did was not a big deal.
Explanation: It is commonly used when you are being thanked for something that wasn't difficult.
1-It's nothing. It didn't take long for me to do this.
2-No need to thank me. It's nothing.
3-Oh, it's nothing to call and let you know what I find out.
Conversation.
A-I had no idea you guys were getting together tonight.
B-Really? I sent an email inviting everyone.
A-I didn't receive it.
B-You're more than welcome to come. I will add you to my email list for next time.
A-Thanks. I hope it's not too much to ask.
B-No, it's nothing to add you on.
Other Common Sentences
No problem.