How to convert round icons in Photoshop?

Question

Layout

Hey! Please tell me how to convert round icons (apple, android, etc.) in this layout to PNG (I tried sclice tool and save for web, but they only turn out square, but round PNGs are needed)?
)

Answer 1

In the layer list, right-click on the layer with the icon and select export to PNG

Answer 2

And if the background in html set
div {
width: 50px;
height: 50px;
background-color: green;
border-radius: 50%
}
And insert the icon into the block