Not sure what image size on FB you need pero try mo magresize here. May edit function to zoom-crop into the section you want. Source: almost 2 years ago

To design your images, you can use Canva, paired with an Image Resizer if you don't have access to Canva Pro and need to tweak the size of the picture. - Source: dev.to / about 2 years ago

Have you tried online tools like https://promo.com/tools/image-resizer? Source: over 2 years ago

Not sure how to do it in photoshop but you can try this free tool to do just that. LMK if it works for you. https://promo.com/tools/image-resizer/. Source: over 2 years ago

Not specifically what you are asking for but if you want to see the theme of a website you could use sites like: Https://whatwpthemeisthat.com/ Https://www.wpthemedetector.com/. Source: about 2 years ago

I use these two: Https://scanwp.net/ Https://whatwpthemeisthat.com/. Source: over 2 years ago

Hi. Go to https://whatwpthemeisthat.com/ and it will tell you which theme they are using. Source: over 2 years ago

You can look up the theme a wordpress website is using by copying and pasting the website address on https://whatwpthemeisthat.com/. Source: almost 3 years ago

According to https://whatwpthemeisthat.com/, it's not a WP site, which is weird, because I found links to "wp-admin" all through the source code. Source: about 3 years ago