How to check the pixel size of photos (PC/Mac)

On Mac:

Find the folder in Finder where the photos are located. Right-click the photo you want to know the size of and click Get Info.

In the window that pops up, click the little triangle next to More Info, then you should see where it says Dimensions. This is the size of your photo in pixels.

On PC:

Find the folder on your computer where the photos are located. Right-click the photo you want to know the size of, and click Properties.

In the Properties window, click the Details tab and find where it says Dimensions. This is the size of your photo in pixels.