You could do that using an image editor, but CSS can often get the job done faster. Learn how to add a CSS reference to an image and you can stretch it horizontally to any width you like.

Ryan Boudreaux includes all the code snippets you'll need in this demo of how to create an image hover-preview effect using HTML, CSS, and JavaScript.

Low-quality image placeholders (LQIPs) have a solid place in web page design. ... Or from the other direction, check out implementing a CSS (and HTML) renderer on an ESP32.