Instagram’s standard for grid posts was a square 1:1 ratio, with images sized at 1080 x 1080 pixels. Now, vertical feed posts have shifted to a 4:5 ratio, with a recommended upload size of 1080 ...

Instagram’s square profile grid is legendary. It’s been a hallmark of the social media platform ever since the decision was made to focus on image sharing and the name Instagram was adopted (it was ...