diff --git a/esm/index.js b/esm/index.js
new file mode 100644
index 0000000..c9b46fc
--- /dev/null
+++ b/esm/index.js
@@ -0,0 +1,37 @@
+/**
+ * Compiles a querystring
+ * Returns string representation of the object
+ *
+ * @param {Object}
+ * @api private
+ */
+
+export function encode (obj) {
+  var str = '';
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      if (str.length) str += '&';
+      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+    }
+  }
+
+  return str;
+}
+
+/**
+ * Parses a simple querystring into an object
+ *
+ * @param {String} qs
+ * @api private
+ */
+
+export function decode (qs){
+  var qry = {};
+  var pairs = qs.split('&');
+  for (var i = 0, l = pairs.length; i < l; i++) {
+    var pair = pairs[i].split('=');
+    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+  }
+  return qry;
+}
diff --git a/esm/package.json b/esm/package.json
new file mode 100644
index 0000000..3dbc1ca
--- /dev/null
+++ b/esm/package.json
@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}
diff --git a/package.json b/package.json
index 921d19d..502e93e 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,12 @@
   "name": "parseqs",
   "version": "0.0.6",
   "description": "Provides methods for parsing a query string into an object, and vice versa.",
+  "main": "index.js",
+  "module": "./esm/index.js",
+  "exports": {
+    "import": "./esm/index.js",
+    "require": "index.js"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/get/querystring.git"
@@ -15,5 +21,9 @@
     "better-assert": "~1.0.0"
   },
   "author": "Gal Koren",
-  "license": "MIT"
+  "license": "MIT",
+  "files": [
+    "index.js",
+    "esm/"
+  ]
 }