diff --git a/public/index.html b/public/index.html
index 8a95679..c50dbe7 100644
--- a/public/index.html
+++ b/public/index.html
@@ -202,6 +202,11 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Norwegian Bokmål)</span>
                     </button>
+                    <button class="btn fw wrap" value="bg">
+                        <span lang="bg">български</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Bulgarian)</span>
+                    </button>
                     <button class="btn fw wrap" value="ca">
                         <span lang="ca">Català</span>
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
@@ -230,6 +235,21 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Spanish)</span>
                     </button>
+                    <button class="btn fw wrap" value="et">
+                        <span lang="et">Eesti</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Estonian)</span>
+                    </button>
+                    <button class="btn fw wrap" value="eu">
+                        <span lang="eu">Euskara</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Basque)</span>
+                    </button>
+                    <button class="btn fw wrap" value="fa">
+                        <span lang="fa" dir="rtl">فارسی</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Persian)</span>
+                    </button>
                     <button class="btn fw wrap" value="fr">
                         <span lang="fr">Français</span>
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
@@ -265,6 +285,11 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Dutch)</span>
                     </button>
+                    <button class="btn fw wrap" value="nn">
+                        <span lang="nn">Norsk</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Norwegian Nynorsk)</span>
+                    </button>
                     <button class="btn fw wrap" value="pl">
                         <span lang="pl">Polski</span>
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
@@ -285,6 +310,16 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Russian)</span>
                     </button>
+                    <button class="btn fw wrap" value="sk">
+                        <span lang="sk">Slovenčina</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Slovak)</span>
+                    </button>
+                    <button class="btn fw wrap" value="ta">
+                        <span lang="ta">தமிழ்</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Tamil)</span>
+                    </button>
                     <button class="btn fw wrap" value="tr">
                         <span lang="tr">Türkçe</span>
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
@@ -300,6 +335,11 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Simplified Chinese)</span>
                     </button>
+                    <button class="btn fw wrap" value="zh-HK">
+                        <span lang="zh-HK">中文</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Hant Script)</span>
+                    </button>
                     <button class="btn fw wrap" value="zh-TW">
                         <span lang="zh-TW">漢語</span>
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
@@ -310,6 +350,11 @@
                         <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
                         <span>(Japanese)</span>
                     </button>
+                    <button class="btn fw wrap" value="ko">
+                        <span lang="ko">한국어</span>
+                        <span>&nbsp;&nbsp;-&nbsp;&nbsp;</span>
+                        <span>(Korean)</span>
+                    </button>
                 </div>
                 <div class="center row-reverse btn-row wrap">
                     <button class="btn btn-rounded btn-grey" 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 ca07a93..454f84d 100644
--- a/public/scripts/localization.js
+++ b/public/scripts/localization.js
@@ -3,7 +3,10 @@ class Localization {
         Localization.$htmlRoot = document.querySelector('html');
 
         Localization.defaultLocale = "en";
-        Localization.supportedLocales = ["ar", "be", "ca", "cs", "da", "de", "en", "es", "fr", "he", "hu", "id", "it", "ja", "kn", "nb", "nl", "pl", "pt-BR", "ro", "ru", "tr", "uk", "zh-CN", "zh-TW"];
+        Localization.supportedLocales = [
+            "ar", "be", "bg", "ca", "cs", "da", "de", "en", "es", "et", "eu", "fa", "fr", "he", "hu", "id", "it", "ja",
+            "kn", "ko", "nb", "nn", "nl", "pl", "pt-BR", "ro", "ru", "sk", "ta", "tr", "uk", "zh-CN", "zh-HK", "zh-TW"
+        ];
         Localization.supportedLocalesRtl = ["ar", "he"];
 
         Localization.translations = {};