diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..299ad3b
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2014 Azer Koçulu <azer@roadbeats.com>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+
diff --git a/index.js b/index.js
index 6b56df3..9f85e3b 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,8 @@
+/* This program is free software. It comes without any warranty, to
+     * the extent permitted by applicable law. You can redistribute it
+     * and/or modify it under the terms of the Do What The Fuck You Want
+     * To Public License, Version 2, as published by Sam Hocevar. See
+     * http://www.wtfpl.net/ for more details. */
 'use strict';
 module.exports = leftPad;
 
diff --git a/test.js b/test.js
index 5fe3741..ef5032f 100644
--- a/test.js
+++ b/test.js
@@ -1,3 +1,8 @@
+/* This program is free software. It comes without any warranty, to
+     * the extent permitted by applicable law. You can redistribute it
+     * and/or modify it under the terms of the Do What The Fuck You Want
+     * To Public License, Version 2, as published by Sam Hocevar. See
+     * http://www.wtfpl.net/ for more details. */
 var leftPad = require("./");
 var test = require("tape");