1. Go to this page and download the library: Download mrfd/kirby-webp library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
mrfd / kirby-webp example snippets
if ($image = $page->image('my-image.jpg')) {
echo $image->picture('some-class', 'Image description');
}