diff --git a/gdcheck.php b/gdcheck.php
new file mode 100644
index 0000000..b77f8b7
--- /dev/null
+++ b/gdcheck.php
@@ -0,0 +1,6 @@
+<?php
+echo "GD: " . (extension_loaded('gd') ? 'KYLLÄ' : 'EI') . "\n";
+echo "Imagick: " . (extension_loaded('imagick') ? 'KYLLÄ' : 'EI') . "\n";
+if (extension_loaded('gd')) {
+    echo "GD info: " . json_encode(gd_info()) . "\n";
+}