Resize identity image - Web Designer

Hello everyone,

How can I resize the jpeg picture of an identity on the Web Portal? The images we have are too big (for example, 604x906 px), so they are being cropped on the master data page of the employee.

Is it possible to resize the images on the Web Designer or, as an alternative, adapt the frame of the image to the image itself when it is view in the Web Portal?

Thank you in advance,

Lucrezia