Want your product images to stand out? Use this simple PHP code to set your WooCommerce shop thumbnails to 300×300 pixels and enhance your store’s look!
// Change product thumbnail size on shop page
add_filter( 'woocommerce_get_image_size_thumbnail', function( $size ) {
return array( 'width' => 300, 'height' => 300, 'crop' => true );
});
