When the user clicks on download I want the file to be downloaded in an x * y resolution

When the user click on the photo is downloading the original photo ,
but what i want is;when the user clicks on download it should be downloaded on for example 400×400 resoulution.

<a href="images/<?php echo $row['image_name'] ?>" 
class="ms-5" download><i class="bi bi-download" 
style="color: black; font-size:20px"></i></a>