diff --git a/cleanup.php b/cleanup.php
new file mode 100644
index 0000000..61e1fd7
--- /dev/null
+++ b/cleanup.php
@@ -0,0 +1,27 @@
+<?php
+
+if(is_file('config.php')) {
+	include('config.php');
+} else {
+	include('config.dist.php');
+}
+
+$abspath = realpath(dirname(__FILE__));
+
+$temp = scandir($abspath . '/' . $datadir);
+$images = array();
+
+foreach($temp as $item) {
+	if($item != '.' && $item != '..') {
+		array_push($images, $item);
+	}
+}
+
+foreach($images as $image) {
+	$diff = time() - filemtime($abspath . '/' . $datadir . '/' . $image);
+	if($diff >= $lifetime) {
+		unlink($abspath . '/' . $datadir . '/' . $image);
+	}
+}
+
+?>
diff --git a/config.dist.php b/config.dist.php
index ebd9429..d690a29 100644
--- a/config.dist.php
+++ b/config.dist.php
@@ -12,4 +12,7 @@ $datadir = "i";
 // Length of the generated file names
 $length = 8;
 
+// Image lifetime in seconds
+$lifetime = 3600;
+
 ?>