a snippet to Automatically convert jpg & png & gif to webp on upload

					<?php

// Convert JPG, PNG, and GIF to WebP on upload using Imagick
function atar4u_convert_images_to_webp($metadata, $attachment_id) {
    $file = get_attached_file($attachment_id);
    $file_info = wp_check_filetype($file);
    $mime_type = $file_info['type'];

    // Check if the file is a JPG, PNG, or GIF image
    if (in_array($mime_type, ['image/jpeg', 'image/png', 'image/gif'])) {
        // Create an instance of Imagick
        $image = new Imagick($file);

        // Set the output format to WebP
        $image->setFormat('webp');

        // Convert the image to WebP
        $webp_file = $file . '.webp';
        $image->writeImage($webp_file);

        // Update the attachment metadata to point to the WebP file
        $metadata['file'] = str_replace($file_info['ext'], 'webp', $metadata['file']);
        $metadata['sizes'] = [];
        $metadata['mime-type'] = 'image/webp';
    }

    return $metadata;
}
add_filter('wp_generate_attachment_metadata', 'atar4u_convert_images_to_webp', 10, 2);