diff --git a/www/assert/translations/index.html b/www/assert/translations/index.html
new file mode 100644
index 000000000..4b9e7b715
--- /dev/null
+++ b/www/assert/translations/index.html
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/www/assert/translations/main.js b/www/assert/translations/main.js
new file mode 100644
index 000000000..6ff862213
--- /dev/null
+++ b/www/assert/translations/main.js
@@ -0,0 +1,21 @@
+define([
+ '/bower_components/jquery/dist/jquery.min.js',
+ '/common/cryptpad-common.js',
+], function (jQuery, Cryptpad) {
+ var $ = window.jQuery;
+
+ var $body = $('body');
+ var missing = Cryptpad.Messages._checkTranslationState();
+
+ var pre = function (text, opt) {
+ return $('', opt).text(text);
+ };
+
+ if (missing.length) {
+ $body.append(pre(missing.map(function (msg) {
+ return '* ' + msg;
+ }).join('\n')));
+ } else {
+ $body.text('All keys are present in all translations');
+ }
+});