PHP: Batch convert webp to png

README.md

• Download webp decoder from Google's WebP utilities and libraries
• Place dwebp.exe on the same folder with the images
• Create PHP file and paste the source below
• Run

convert.php

<?php
$path    = './';

$files = scandir($path);
$files = array_diff(scandir($path), ['.', '..','dwebp.exe', 'convert.php']);

foreach($files as $file){
    $result = shell_exec('.\dwebp.exe "' . $file . '" -o "' . str_replace('.webp', '', $file) . '.png"');
    echo $result . "\n";
}