diff --git a/.js b/.js
new file mode 100644
index 0000000..254a7c6
--- /dev/null
+++ b/.js
@@ -0,0 +1,15 @@
+var encodeStringToBase64 = function(str) {
+	return(
+		btoa(
+			encodeURIComponent(str)
+		)
+	);
+}
+
+var decodeBase64ToString = function(str) {
+	return(
+		decodeURIComponent(
+			atob(str)
+		)
+	);
+}