diff --git a/public/index.html b/public/index.html
index 24afbc9..b0c6743 100644
--- a/public/index.html
+++ b/public/index.html
@@ -142,14 +142,19 @@
                 </div>
                 <div class="language-buttons">
                     <button class="button fw" data-i18n-key="dialogs.system-language" data-i18n-attrs="text"></button>
-                    <button class="button fw" value="en">
-                        <span>English</span>
+                    <button class="button fw" value="ar">
+                        <span>العربية</span>
+                        <span>-</span>
+                        <span>(Arabic)</span>
                     </button>
                     <button class="button fw" value="de">
                         <span>Deutsch</span>
                         <span>-</span>
                         <span>(German)</span>
                     </button>
+                    <button class="button fw" value="en">
+                        <span>English</span>
+                    </button>
                     <button class="button fw" value="fr">
                         <span>Français</span>
                         <span>-</span>
@@ -160,6 +165,16 @@
                         <span>-</span>
                         <span>(Indonesian)</span>
                     </button>
+                    <button class="button fw" value="it">
+                        <span>Italiano</span>
+                        <span>-</span>
+                        <span>(Italian)</span>
+                    </button>
+                    <button class="button fw" value="nl">
+                        <span>Nederlands</span>
+                        <span>-</span>
+                        <span>(Dutch)</span>
+                    </button>
                     <button class="button fw" value="nb">
                         <span>Norsk</span>
                         <span>-</span>
@@ -175,11 +190,21 @@
                         <span>-</span>
                         <span>(Russian)</span>
                     </button>
+                    <button class="button fw" value="es">
+                        <span>Español</span>
+                        <span>-</span>
+                        <span>(Spanish)</span>
+                    </button>
                     <button class="button fw" value="zh-CN">
                         <span>中文</span>
                         <span>-</span>
                         <span>(Chinese)</span>
                     </button>
+                    <button class="button fw" value="ja">
+                        <span>日本語</span>
+                        <span>-</span>
+                        <span>(Japanese)</span>
+                    </button>
                 </div>
                 <div class="center row-reverse button-row">
                     <button class="button" type="button" data-i18n-key="dialogs.close" data-i18n-attrs="text" close=""></button>
diff --git a/public/scripts/localization.js b/public/scripts/localization.js
index 113400c..3f42837 100644
--- a/public/scripts/localization.js
+++ b/public/scripts/localization.js
@@ -1,8 +1,8 @@
 class Localization {
     constructor() {
         Localization.defaultLocale = "en";
-        Localization.supportedLocales = ["en", "nb", "ru", "zh-CN", "de", "ro", "id", "fr"];
-        Localization.supportedLocalesRTL = [];
+        Localization.supportedLocales = ["ar", "de", "en", "es", "fr", "id", "it", "ja", "nb", "nl", "ro", "ru", "zh-CN"];
+        Localization.supportedLocalesRTL = ["ar"];
 
         Localization.translations = {};
         Localization.defaultTranslations = {};
diff --git a/public_included_ws_fallback/index.html b/public_included_ws_fallback/index.html
index 2acf905..ff78dd2 100644
--- a/public_included_ws_fallback/index.html
+++ b/public_included_ws_fallback/index.html
@@ -147,14 +147,19 @@
                 </div>
                 <div class="language-buttons">
                     <button class="button fw" data-i18n-key="dialogs.system-language" data-i18n-attrs="text"></button>
-                    <button class="button fw" value="en">
-                        <span>English</span>
+                    <button class="button fw" value="ar">
+                        <span>العربية</span>
+                        <span>-</span>
+                        <span>(Arabic)</span>
                     </button>
                     <button class="button fw" value="de">
                         <span>Deutsch</span>
                         <span>-</span>
                         <span>(German)</span>
                     </button>
+                    <button class="button fw" value="en">
+                        <span>English</span>
+                    </button>
                     <button class="button fw" value="fr">
                         <span>Français</span>
                         <span>-</span>
@@ -165,6 +170,16 @@
                         <span>-</span>
                         <span>(Indonesian)</span>
                     </button>
+                    <button class="button fw" value="it">
+                        <span>Italiano</span>
+                        <span>-</span>
+                        <span>(Italian)</span>
+                    </button>
+                    <button class="button fw" value="nl">
+                        <span>Nederlands</span>
+                        <span>-</span>
+                        <span>(Dutch)</span>
+                    </button>
                     <button class="button fw" value="nb">
                         <span>Norsk</span>
                         <span>-</span>
@@ -180,11 +195,21 @@
                         <span>-</span>
                         <span>(Russian)</span>
                     </button>
+                    <button class="button fw" value="es">
+                        <span>Español</span>
+                        <span>-</span>
+                        <span>(Spanish)</span>
+                    </button>
                     <button class="button fw" value="zh-CN">
                         <span>中文</span>
                         <span>-</span>
                         <span>(Chinese)</span>
                     </button>
+                    <button class="button fw" value="ja">
+                        <span>日本語</span>
+                        <span>-</span>
+                        <span>(Japanese)</span>
+                    </button>
                 </div>
                 <div class="center row-reverse button-row">
                     <button class="button" type="button" data-i18n-key="dialogs.close" data-i18n-attrs="text" close=""></button>
diff --git a/public_included_ws_fallback/scripts/localization.js b/public_included_ws_fallback/scripts/localization.js
index 113400c..3f42837 100644
--- a/public_included_ws_fallback/scripts/localization.js
+++ b/public_included_ws_fallback/scripts/localization.js
@@ -1,8 +1,8 @@
 class Localization {
     constructor() {
         Localization.defaultLocale = "en";
-        Localization.supportedLocales = ["en", "nb", "ru", "zh-CN", "de", "ro", "id", "fr"];
-        Localization.supportedLocalesRTL = [];
+        Localization.supportedLocales = ["ar", "de", "en", "es", "fr", "id", "it", "ja", "nb", "nl", "ro", "ru", "zh-CN"];
+        Localization.supportedLocalesRTL = ["ar"];
 
         Localization.translations = {};
         Localization.defaultTranslations = {};