What Size Images For Facebook & Instagram (and more)

For Facebook, the ideal image size is 1200×630 pixels. And on Instagram, images should be 1080×1080 pixels. Use the correct size images so your pictures and photos look their best and your followers can see them.

Check this out for more info
2023 Social Media Image Sizes for All Networks [CHEATSHEET]
The most recent image size specifications for different social media networks, including Instagram, Twitter, Facebook, LinkedIn, and more.
https://blog.hootsuite.com/social-media-image-sizes-guide/