Add Custom Image Size in WordPress. By default, WordPress automatically produces many models of image uploads in diverse sizes. Additionally, WordPress themes and plugins can also produce their own image size.
In this article, you will learn how to easily create custom image sizes in WordPress and use them on your website.
What Are Default WordPress Images Size?
By default, each WordPress installation appears with three custom image sizes.
Thumbnail — 150*150 Medium– 300*300 Large — 1024*1024
This indicates that when you upload an image to your website, the kernel will automatically generate models in those sizes. However, sometimes these dimensions are not the ones you want for your website.