diff --git a/download.php b/download.php
new file mode 100755
index 00000000..13a3e84b
--- /dev/null
+++ b/download.php
@@ -0,0 +1,15 @@
+<?php
+    if ($_POST["filename"]) {
+        $filename = $_POST["filename"];
+        $content = $_POST["content"];
+    } else {
+        $filename = $_GET["filename"];
+        $content = $_GET["content"];
+    }
+
+    header('Content-Type: application/download');
+    header('Content-Disposition: attachment; filename="' . $filename. '"');
+    header("Content-Length: " . strlen($content));
+
+    echo $content;
+?>
diff --git a/include/fs.js b/include/fs.js
index 07b1f1d2..6cff0a3d 100644
--- a/include/fs.js
+++ b/include/fs.js
@@ -299,6 +299,14 @@ cp.deleteFile = function (filename) {
     cp.fs.deleteFile(filename);
 };
 
+function basename(filename) {
+    return filename.replace(/\\/g,'/').replace( /.*\//, '');
+}
+
+function endsWith(str, suffix) {
+    return str.indexOf(suffix, str.length - suffix.length) !== -1;
+}
+
 cp.makeEditorToolbar = function (filename) {
     var $toolbar = makeToolbar();
 
@@ -315,6 +323,16 @@ cp.makeEditorToolbar = function (filename) {
     });
     $loadButton.appendTo($group);
 
+    $saveButton = makeTBButton($('<i class="icon-download-alt"/>'), {"title" : "Download"});
+    $saveButton.click(function () {
+        var name = basename(filename);
+        if (!endsWith(name, ".js")) {
+            name = name + ".js";
+        }
+        saveAs(cp.fs.getContent(filename), name);
+    });
+    $saveButton.appendTo($group);
+
     return $toolbar;
 };
 
diff --git a/index.html b/index.html
index 0626b46a..bc81bfea 100644
--- a/index.html
+++ b/index.html
@@ -256,6 +256,13 @@
         function focusREPL() {
             cp.repl.focus();
         }
+        
+        function saveAs(content, filename) {
+            $("#form-download-content").val(content);
+            $("#form-download-filename").val(filename);
+            
+            $("#form-download").submit();
+        }
     </script>
     <script src="include/actions.js"></script>
     <script src="include/editors.js"></script>
@@ -265,5 +272,10 @@
     <script src="include/mousetrap.min.js"></script>
     <script src="include/tutorial.js"></script>
     <script>cp.query(null);</script>
+    
+	<form id="form-download" class="hide" action="download.php" method="post">
+	  <textarea id="form-download-content" name="content" style="width: 0; height: 0;"></textarea>
+	  <textarea id="form-download-filename" name="filename" style="width: 0; height: 0;"></textarea>
+	</form>
   </body>
 </html>