If you want to create composite images, add text to an image, or change individual elements of a photo in Photoshop, you'll need to know how to resize a layer in Photoshop. There are a few ways to do this. The following guide focuses on Adobe Photoshop CC version 20.0. 4. Most of the methods will also work with older versions of Photoshop, but the methodology may not be as precise.
How to Shrink a Layer in Photoshop – Photoshop Tutorial
There are a couple of ways to change the layer size in Photoshop, and both involve the Transform tool. There are options to freely change the size up or down, and enter specific measurements to get it to the exact size you want. Here's how to do that.
In the Layers window, select the layer you want to resize.
Select Free Transform from the Edit menu.