How to Change the Default Image Sizes in WordPress Admin Panel
Change the Default Image Sizes in WordPress Admin
In WordPress there are 3 default image sizes are there and these default image sizes are 150px * 150px for Thumbnail, 300px * 300px for Medium size and 1024px for Large size.
To change these default image size settings, there is no need of any plugin. You can manage these settings from WordPress admin panel, Go to Settings >> Media and add new values.