How do I find the featured image size in WordPress?
Check your theme settingsSo, depending on a theme that you have, there is a chance for finding a featured image size option right in the theme settings. Go to Appearance -> Themes -> Customize and look for the options. Also, some themes will have additional settings that can usually be found in the Appearance menu.
How do I make my WordPress featured image full width?
How to Fit Your Featured Image the Full Width of Your Content Area
What is the featured image in WordPress?
The Featured Image (also known as post thumbnail) is a WordPress theme feature which allows theme developers to add support for using a representative image for posts, pages, or custom post types. Even the WordPress Codex page about featured images is still titled Post Thumbnails.
How do I crop a featured image in WordPress?
How to Fix Featured Image From Cropping Automatically in WordPress”