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

Here is my product: https://matchkraft.com/. It is a marketing toolkit. I think you need to ask for feedback, asking why users don't want to pay for a premium subscription. So far, you are getting new users that is a good sign you are going to the right direction. Maybe, who is your ideal customer or maybe your product is ok but need more visibility (maybe paying ads). Try to get active users. I really want to... Source: 12 months ago

Calling a 3rd party API: There is a complete ecosystem providing "google-sheets-as-DB". I personally tested and recommend https://sheetson.com/ but there are a lot more with free tiers https://sheetsu.com/ https://sheety.co/. Source: about 2 years ago