diff --git a/src/includes/class.lang.php b/src/includes/class.lang.php
new file mode 100644
index 0000000..dc2e5d4
--- /dev/null
+++ b/src/includes/class.lang.php
@@ -0,0 +1,119 @@
+<?php
+
+/*
+	myTinyTodo language class
+*/
+
+class Lang
+{
+	protected static $instance;
+	protected $code = 'en';
+	protected $default = 'en';
+	protected $langDir = MTTINC. 'lang/';
+	protected $strings;
+	
+	public static function instance()
+	{
+        if (!isset(self::$instance)) {
+			$c = __CLASS__;
+			self::$instance = new $c;
+        }
+		return self::$instance;	
+	}
+	
+	public static function loadLang($code)
+	{
+		$lang = self::instance();
+		
+		//check if new format (json)
+		if (file_exists("{$lang->langDir}{$code}.json")) {
+			$jsonString = file_get_contents("{$lang->langDir}{$code}.json");
+			$lang->loadJsonString($code, $jsonString);
+		}
+		else {
+			die("Language file not found ($code.json)");
+		}
+	}
+	
+	function loadJsonString($code, $jsonString)
+	{
+		$this->code = $code;
+		$json = json_decode($jsonString, true);
+		
+		//load default language
+		if ( $code != $this->default ) {
+			$defStr = file_get_contents("{$this->langDir}{$this->default}.json");
+			$default_json = json_decode($defStr, true);
+			$this->strings = array_replace($default_json, $json);
+		}
+		else {
+			$this->strings = $json;
+		}
+	}
+	
+	function get($key)
+	{
+		if ( isset($this->strings[$key]) ) {
+			return $this->strings[$key];
+		}
+		return $key;
+	}
+	
+	function rtl()
+	{
+		if ( isset($this->strings['_rtl']) ) {
+			return intval($this->strings['_rtl']);
+		}
+		return 0;
+	}
+	
+	function makeJS($pretty = 0)
+	{
+		$a = array();
+		$a['daysMin'] = $this->get('days_min');
+		$a['daysLong'] = $this->get('days_long');
+		$a['monthsLong'] = $this->get('months_long');
+		
+		$this->fillWithValues($a, [
+			'confirmDelete',
+			'confirmLeave',
+			'actionNoteSave',
+			'actionNoteCancel',
+			'error',
+			'denied',
+			'invalidpass',
+			'addList',
+			'addListDefault',
+			'renameList',
+			'deleteList',
+			'clearCompleted',
+			'settingsSaved',
+			'tags',
+			'tasks',
+			'f_past',
+			'f_today',
+			'f_soon'
+		]);
+		
+		$opts = JSON_UNESCAPED_UNICODE;
+		if ($pretty) {
+			$opts |= JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES;
+		}
+		return json_encode($a, $opts);
+	}
+	
+	protected function fillWithValues(array &$a, array $keys)
+	{
+		foreach ( $keys as $key ) {
+			$a[$key] = $this->get($key);
+		}
+	}
+	
+	function langDir()
+	{
+		return $this->langDir;
+	}
+
+}
+
+?>
\ No newline at end of file
diff --git a/src/includes/lang/.htaccess b/src/includes/lang/.htaccess
new file mode 100644
index 0000000..3418e55
--- /dev/null
+++ b/src/includes/lang/.htaccess
@@ -0,0 +1 @@
+deny from all
\ No newline at end of file
diff --git a/src/includes/lang/en.json b/src/includes/lang/en.json
new file mode 100644
index 0000000..8c85bb0
--- /dev/null
+++ b/src/includes/lang/en.json
@@ -0,0 +1,169 @@
+{
+    "_header": {
+        "ver": "v1.6",
+        "date": "2020-09-04",
+        "language": "English",
+        "original_name": "English",
+        "author": "Max Pozdeev",
+        "author_url": "http://www.mytinytodo.net"
+    },
+    "My Tiny Todolist": "My Tiny Todolist",
+    "htab_newtask": "New task",
+    "htab_search": "Search",
+    "btn_add": "Add",
+    "btn_search": "Search",
+    "advanced_add": "Advanced",
+    "searching": "Searching for",
+    "tasks": "Tasks",
+    "taskdate_inline_created": "created at %s",
+    "taskdate_inline_completed": "Completed at %s",
+    "taskdate_inline_duedate": "Due %s",
+    "taskdate_created": "Created",
+    "taskdate_completed": "Completed",
+    "go_back": "&lt;&lt; Back",
+    "edit_task": "Edit Task",
+    "add_task": "New Task",
+    "priority": "Priority",
+    "task": "Task",
+    "note": "Note",
+    "tags": "Tags",
+    "save": "Save",
+    "cancel": "Cancel",
+    "password": "Password",
+    "btn_login": "Login",
+    "a_login": "Login",
+    "a_logout": "Logout",
+    "public_tasks": "Public Tasks",
+    "tagcloud": "Tags",
+    "tagfilter_cancel": "cancel filter",
+    "sortByHand": "Sort by hand",
+    "sortByPriority": "Sort by priority",
+    "sortByDueDate": "Sort by due date",
+    "sortByDateCreated": "Sort by date created",
+    "sortByDateModified": "Sort by date modified",
+    "due": "Due",
+    "daysago": "%d days ago",
+    "indays": "in %d days",
+    "months_short": [
+        "Jan",
+        "Feb",
+        "Mar",
+        "Apr",
+        "May",
+        "Jun",
+        "Jul",
+        "Aug",
+        "Sep",
+        "Oct",
+        "Nov",
+        "Dec"
+    ],
+    "months_long": [
+        "January",
+        "February",
+        "March",
+        "April",
+        "May",
+        "June",
+        "July",
+        "August",
+        "September",
+        "October",
+        "November",
+        "December"
+    ],
+    "days_min": [
+        "Su",
+        "Mo",
+        "Tu",
+        "We",
+        "Th",
+        "Fr",
+        "Sa"
+    ],
+    "days_long": [
+        "Sunday",
+        "Monday",
+        "Tuesday",
+        "Wednesday",
+        "Thursday",
+        "Friday",
+        "Saturday"
+    ],
+    "today": "today",
+    "yesterday": "yesterday",
+    "tomorrow": "tomorrow",
+    "f_past": "Overdue",
+    "f_today": "Today and tomorrow",
+    "f_soon": "Soon",
+    "action_edit": "Edit",
+    "action_note": "Edit Note",
+    "action_delete": "Delete",
+    "action_priority": "Priority",
+    "action_move": "Move to",
+    "notes": "Notes:",
+    "notes_show": "Show",
+    "notes_hide": "Hide",
+    "list_new": "New list",
+    "list_rename": "Rename list",
+    "list_delete": "Delete list",
+    "list_publish": "Publish list",
+    "list_showcompleted": "Show completed tasks",
+    "list_clearcompleted": "Clear completed tasks",
+    "list_select": "Select list",
+    "list_export": "Export",
+    "list_export_csv": "CSV",
+    "list_export_ical": "iCalendar",
+    "list_rssfeed": "RSS Feed",
+    "alltags": "All tags:",
+    "alltags_show": "Show all",
+    "alltags_hide": "Hide all",
+    "a_settings": "Settings",
+    "rss_feed": "RSS Feed",
+    "feed_title": "%s",
+    "feed_completed_tasks": "Completed tasks",
+    "feed_modified_tasks": "Modified tasks",
+    "feed_new_tasks": "New tasks",
+    "alltasks": "All tasks",
+    "set_header": "Settings",
+    "set_title": "Title",
+    "set_title_descr": "(specify if you want to change default title)",
+    "set_language": "Language",
+    "set_protection": "Password protection",
+    "set_enabled": "Enabled",
+    "set_disabled": "Disabled",
+    "set_newpass": "New password",
+    "set_newpass_descr": "(leave blank if won't change current password)",
+    "set_smartsyntax": "Smart syntax",
+    "set_smartsyntax_descr": "(/priority/ task /tags/)",
+    "set_timezone": "Time zone",
+    "set_autotag": "Autotagging",
+    "set_autotag_descr": "(automatically adds tag of current tag filter to newly created task)",
+    "set_sessions": "Session handling mechanism",
+    "set_sessions_php": "PHP",
+    "set_sessions_files": "Files",
+    "set_firstdayofweek": "First day of week",
+    "set_custom": "Custom",
+    "set_date": "Date format",
+    "set_date2": "Short Date format",
+    "set_shortdate": "Short Date (current year)",
+    "set_clock": "Clock format",
+    "set_12hour": "12-hour",
+    "set_24hour": "24-hour",
+    "set_submit": "Submit changes",
+    "set_cancel": "Cancel",
+    "set_showdate": "Show task date in list",
+    "confirmDelete": "Are you sure you want to delete the task?",
+    "confirmLeave": "There can be unsaved data. Do you really want to leave?",
+    "actionNoteSave": "save",
+    "actionNoteCancel": "cancel",
+    "error": "Some error occurred (click for details)",
+    "denied": "Access denied",
+    "invalidpass": "Wrong password",
+    "addList": "Create new list",
+    "addListDefault": "Todo",
+    "renameList": "Rename list",
+    "deleteList": "This will delete current list with all tasks in it.\\nAre you sure?",
+    "clearCompleted": "This will delete all completed tasks in the list.\\nAre you sure?",
+    "settingsSaved": "Settings saved. Reloading..."
+}
\ No newline at end of file
diff --git a/src/includes/lang/ru.json b/src/includes/lang/ru.json
new file mode 100644
index 0000000..b07aba0
--- /dev/null
+++ b/src/includes/lang/ru.json
@@ -0,0 +1,169 @@
+{
+    "_header": {
+        "ver": "v1.6",
+        "date": "2020-09-04",
+        "language": "Russian",
+        "original_name": "Русский",
+        "author": "Max Pozdeev",
+        "author_url": "http://www.mytinytodo.net"
+    },
+    "My Tiny Todolist": "My Tiny Todolist",
+    "htab_newtask": "Новая задача",
+    "htab_search": "Поиск",
+    "btn_add": "Добавить",
+    "btn_search": "Искать",
+    "advanced_add": "Расширенная форма",
+    "searching": "Поиск",
+    "tasks": "Задачи",
+    "taskdate_inline_created": "добавлена %s",
+    "taskdate_inline_completed": "Завершена %s",
+    "taskdate_inline_duedate": "В срок %s",
+    "taskdate_created": "Дата создания",
+    "taskdate_completed": "Дата завершения",
+    "go_back": "&lt;&lt; Назад",
+    "edit_task": "Редактирование задачи",
+    "add_task": "Новая задача",
+    "priority": "Приоритет",
+    "task": "Задача",
+    "note": "Заметка",
+    "tags": "Теги",
+    "save": "Сохранить",
+    "cancel": "Отмена",
+    "password": "Пароль",
+    "btn_login": "Войти",
+    "a_login": "Вход",
+    "a_logout": "Выйти",
+    "public_tasks": "Опубликованные задачи",
+    "tagcloud": "Теги",
+    "tagfilter_cancel": "отменить фильтр по тегу",
+    "sortByHand": "Сортировка вручную",
+    "sortByPriority": "Сортировка по приоритету",
+    "sortByDueDate": "Сортировка по сроку",
+    "sortByDateCreated": "Сортировка по дате добавления",
+    "sortByDateModified": "Сортировка по дате изменения",
+    "due": "Срок",
+    "daysago": "%d дн. назад",
+    "indays": "через %d дн.",
+    "months_short": [
+        "Янв",
+        "Фев",
+        "Мар",
+        "Апр",
+        "Май",
+        "Июн",
+        "Июл",
+        "Авг",
+        "Сен",
+        "Окт",
+        "Ноя",
+        "Дек"
+    ],
+    "months_long": [
+        "Январь",
+        "Февраль",
+        "Март",
+        "Апрель",
+        "Май",
+        "Июнь",
+        "Июль",
+        "Август",
+        "Сентябрь",
+        "Октябрь",
+        "Ноябрь",
+        "Декабрь"
+    ],
+    "days_min": [
+        "Вс",
+        "Пн",
+        "Вт",
+        "Ср",
+        "Чт",
+        "Пт",
+        "Сб"
+    ],
+    "days_long": [
+        "Воскресенье",
+        "Понедельник",
+        "Вторник",
+        "Среда",
+        "Четверг",
+        "Пятница",
+        "Суббота"
+    ],
+    "today": "сегодня",
+    "yesterday": "вчера",
+    "tomorrow": "завтра",
+    "f_past": "Просроченные",
+    "f_today": "Сегодня и завтра",
+    "f_soon": "Скоро",
+    "action_edit": "Редактировать",
+    "action_note": "Заметка",
+    "action_delete": "Удалить",
+    "action_priority": "Приоритет",
+    "action_move": "Переместить в",
+    "notes": "Заметки:",
+    "notes_show": "Показать",
+    "notes_hide": "Скрыть",
+    "list_new": "Новый список",
+    "list_rename": "Переименовать список",
+    "list_delete": "Удалить список",
+    "list_publish": "Опубликовать список",
+    "list_showcompleted": "Показать завершенные задачи",
+    "list_clearcompleted": "Удалить завершенные задачи",
+    "list_select": "Выбрать список",
+    "list_export": "Экспортировать",
+    "list_export_csv": "CSV",
+    "list_export_ical": "iCalendar",
+    "list_rssfeed": "RSS-лента",
+    "alltags": "Все теги:",
+    "alltags_show": "Показать все",
+    "alltags_hide": "Скрыть все",
+    "a_settings": "Настройки",
+    "rss_feed": "RSS-лента",
+    "feed_title": "%s",
+    "feed_completed_tasks": "Завершенные задачи",
+    "feed_modified_tasks": "Изменившиеся задачи",
+    "feed_new_tasks": "Новые задачи",
+    "alltasks": "Все задачи",
+    "set_header": "Настройки",
+    "set_title": "Заголовок страницы",
+    "set_title_descr": "(если поле не заполнено, будет использован заголовок по-умолчанию)",
+    "set_language": "Язык (Language)",
+    "set_protection": "Парольная защита",
+    "set_enabled": "Включено",
+    "set_disabled": "Выключено",
+    "set_newpass": "Новый пароль",
+    "set_newpass_descr": "(не заполняйте поле если не хотите менять текущий пароль)",
+    "set_smartsyntax": "Smart syntax",
+    "set_smartsyntax_descr": "(возможность использовать синтаксис: /приоритет/ задача /теги/)",
+    "set_timezone": "Часовой пояс",
+    "set_autotag": "Autotagging",
+    "set_autotag_descr": "(автодобавление текущего тега из фильтра в новую задачу)",
+    "set_sessions": "Хранилище сессий",
+    "set_sessions_php": "PHP",
+    "set_sessions_files": "Файлы",
+    "set_firstdayofweek": "Первый день недели",
+    "set_custom": "другой",
+    "set_date": "Формат даты",
+    "set_date2": "Формат короткой даты",
+    "set_shortdate": "Короткая дата (в текущем году)",
+    "set_clock": "Формат часов",
+    "set_12hour": "12-часовой",
+    "set_24hour": "24-часовой",
+    "set_submit": "Сохранить изменения",
+    "set_cancel": "Отмена",
+    "set_showdate": "Показывать дату создания задачи",
+    "confirmDelete": "Вы действительно хотите удалить задачу?",
+    "confirmLeave": "На странице могут быть несохраненные данные. Вы действительно хотите закрыть страницу?",
+    "actionNoteSave": "сохранить",
+    "actionNoteCancel": "отмена",
+    "error": "Ошибка",
+    "denied": "Доступ запрещен",
+    "invalidpass": "Неверный пароль",
+    "addList": "Новый список",
+    "addListDefault": "Todo",
+    "renameList": "Переименовать список",
+    "deleteList": "Вы действительно хотите удалить этот список со всеми задачами?",
+    "clearCompleted": "Удалить все выполненные задачи из списка?",
+    "settingsSaved": "Настройки сохранены. Перезагрузка..."
+}
\ No newline at end of file
diff --git a/src/init.php b/src/init.php
index e65a51a..d2eefd0 100644
--- a/src/init.php
+++ b/src/init.php
@@ -13,6 +13,7 @@ if (version_compare(PHP_VERSION, '5.4.0') < 0) {
 }
 
 if(!defined('MTTPATH')) define('MTTPATH', dirname(__FILE__) .'/');
+if(!defined('MTTINC'))  define('MTTINC', MTTPATH. 'includes/');
 
 require_once(MTTPATH. 'common.php');
 require_once(MTTPATH. 'db/config.php');
@@ -57,8 +58,8 @@ if(isset($_COOKIE['lang']) && preg_match("/^[a-z-]+$/i", $_COOKIE['lang']) && fi
 	Config::set('lang', $_COOKIE['lang']);
 }
 
-require_once(MTTPATH. 'lang/class.default.php');
-require_once(MTTPATH. 'lang/'.Config::get('lang').'.php');
+require_once(MTTINC. 'class.lang.php');
+Lang::loadLang(Config::get('lang'));
 
 $_mttinfo = array();
 
diff --git a/src/lang/class.default.php b/src/lang/class.default.php
index e7b5ccf..7206c3e 100644
--- a/src/lang/class.default.php
+++ b/src/lang/class.default.php
@@ -186,7 +186,7 @@ class DefaultLang
 		return $this->rtl ? 1 : 0;
 	}
 
-	public static function instance()
+	public static function instance_deprecated()
 	{
         if (!isset(self::$instance)) {
 			//$c = __CLASS__;
@@ -195,6 +195,82 @@ class DefaultLang
         }
 		return self::$instance;	
 	}
+	
+	public function json($langFile = '', $pretty = 0)
+	{
+		$a = array();
+		
+		if ($langFile != '') {
+			$ah = $this->loadLangHeader($langFile);
+			$a['_header'] = $ah;
+		}
+		
+		if ($this->rtl()) {
+			$a['_rtl'] = $this->rtl();
+		}
+		
+		foreach ( $this->default_inc as $k=>$v ) {
+			if ( isset($this->inc[$k]) ) {
+				$v = $this->inc[$k];
+			}
+			$a[$k] = $v;
+		}
+		
+		foreach ( $this->default_js as $k=>$v ) {
+			if ( isset($this->js[$k]) ) {
+				$v = $this->js[$k];
+			}
+			$a[$k] = $v;
+		}
+		
+		$encOptions = JSON_UNESCAPED_UNICODE;;
+		if ($pretty) {
+			$encOptions |= JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES;
+		}
+		return json_encode($a, $encOptions);
+	}
+	
+	function loadLangHeader($langFile)
+	{
+		if (!file_exists($langFile)) {
+			die("file does not exist: $langFile");
+		}
+		$contents = file_get_contents($langFile);
+
+		$a = array();
+		
+		# parse head comment
+		if(preg_match("|/\\*\s*myTinyTodo language pack([\s\S]+?)\\*/|", $contents, $m))
+		{
+			$str = $m[1];
+			if(preg_match("|AppVersion\s*:\s*(.+)|i", $str, $m)) {
+				$a['ver'] = trim($m[1]);
+			}
+			if(preg_match("|Date\s*:\s*(.+)|i", $str, $m)) {
+				$a['date'] = trim($m[1]);
+			}
+			if(preg_match("|Language\s*:\s*(.+)|i", $str, $m)) {
+				$a['language'] = trim($m[1]);
+			}
+			if(preg_match("|Original name\s*:\s*(.+)|i", $str, $m)) {
+				$a['original_name'] = trim($m[1]);
+			}
+			if(preg_match("|Author\s*:\s*(.+)|i", $str, $m)) {
+				$a['author'] = trim($m[1]);
+			}
+			if(preg_match("|Author URL\s*:(.+)|i", $str, $m)) {
+				$a['author_url'] = trim($m[1]);
+			}
+			if(preg_match("|Author Email\s*:(.+)|i", $str, $m)) {
+				$a['author_email'] = trim($m[1]);
+			}
+			if(preg_match("|Modified by\s*:(.+)|i", $str, $m)) {
+				$a['modified_by'] = trim($m[1]);
+			}
+		}
+
+		return $a;	
+	}
 }
 
 ?>
\ No newline at end of file
diff --git a/src/mytinytodo_lang.php b/src/mytinytodo_lang.php
index 08c3797..c89042d 100644
--- a/src/mytinytodo_lang.php
+++ b/src/mytinytodo_lang.php
@@ -1,12 +1,30 @@
 <?php
 
+// Deprecated! Will be removed in the next major version!
+
 if(!defined('MTTPATH')) define('MTTPATH', dirname(__FILE__) .'/');
+if(!defined('MTTINC'))  define('MTTINC', MTTPATH. 'includes/');
 
 require_once(MTTPATH. 'db/config.php');
-require_once(MTTPATH. 'lang/class.default.php');
-require_once(MTTPATH. 'lang/'. $config['lang']. '.php');
+
+if(isset($_GET['lang']) && preg_match("/^[a-z-]+$/i", $_GET['lang']) && file_exists(MTTPATH. 'lang/'. $_GET['lang']. '.php')) {
+	$config['lang'] = $_GET['lang'];
+}
+
+if ( isset($_GET['json']) || isset($_GET['jsonfile']) ) {
+	require_once(MTTPATH. 'lang/class.default.php');
+	require_once(MTTPATH. 'lang/'. $config['lang']. '.php');
+	header('Content-type: application/json; charset=utf-8');
+	if ( isset($_GET['jsonfile']) ) {
+		header('Content-disposition: attachment; filename='. urlencode($config['lang']). '.json');
+	}
+	echo Lang::instance_deprecated()->json('lang/'. $config['lang']. '.php', 1);
+	exit;
+}
+
+require_once(MTTINC. 'class.lang.php');
+Lang::loadLang($config['lang']);
 
 header('Content-type: text/javascript; charset=utf-8');
-echo "mytinytodo.lang.init(". Lang::instance()->makeJS() .");";
+echo "mytinytodo.lang.init(". Lang::instance()->makeJS(1) .");";
 
-?>
\ No newline at end of file
diff --git a/src/settings.php b/src/settings.php
index 4b79a82..035bc02 100644
--- a/src/settings.php
+++ b/src/settings.php
@@ -55,6 +55,9 @@ if(isset($_POST['save']))
 	jsonExit($t);
 }
 
+$oldLangs = getOldLangs(1);
+if (is_array($oldLangs) && count($oldLangs) == 0) $oldLangs = 0;
+
 
 function _c($key)
 {
@@ -62,6 +65,37 @@ function _c($key)
 }
 
 function getLangs($withContents = 0)
+{
+	$langDir = Lang::instance()->langDir();
+    if ( ! $h = opendir($langDir) ) {
+			return false;
+	}
+    $a = array();
+    while ( false !== ($file = readdir($h)) )
+	{
+		if ( preg_match('/(.+)\.json$/', $file, $m) ) {
+			$jsonText = file_get_contents($langDir. $file);
+			if (false === $jsonText) {
+				die("false ");
+				continue;
+			}
+			$a[$m[1]] = $m[1];
+
+			$j = json_decode($jsonText, true);
+			if ( isset($j['_header']['language']) && isset($j['_header']['original_name']) ) {
+				$a[$m[1]]= [
+					'name' => $j['_header']['original_name'],
+					'title' => $j['_header']['language']
+				];
+			}
+		}
+    }
+    closedir($h);
+    return $a;
+}
+
+/* deprecated */
+function getOldLangs($withContents = 0)
 {
     if (!$h = opendir(MTTPATH. 'lang')) return false;
     $a = array();
@@ -70,7 +104,7 @@ function getLangs($withContents = 0)
 		if(preg_match('/(.+)\.php$/', $file, $m) && $file != 'class.default.php') {
 			$a[$m[1]] = $m[1];
 			if($withContents) {
-			    $a[$m[1]] = getLangDetails(MTTPATH. 'lang'. DIRECTORY_SEPARATOR. $file, $m[1]);
+			    $a[$m[1]] = getOldLangDetails(MTTPATH. 'lang'. DIRECTORY_SEPARATOR. $file, $m[1]);
 			    $a[$m[1]]['name'] = $a[$m[1]]['original_name'];
 			    $a[$m[1]]['title'] = $a[$m[1]]['language'];
 			}
@@ -80,7 +114,8 @@ function getLangs($withContents = 0)
     return $a;
 }
 
-function getLangDetails($filename, $default)
+/* deprecated */
+function getOldLangDetails($filename, $default)
 {
     $contents = file_get_contents($filename);
     $a = array('language'=>$default, 'original_name'=>$default);
@@ -156,7 +191,21 @@ header('Content-type:text/html; charset=utf-8');
 
 <tr>
 <th><?php _e('set_language');?>:</th>
-<td> <select name="lang"><?php echo selectOptionsA(getLangs(1), _c('lang')); ?></select> </td>
+<td> 
+	<select name="lang"><?php echo selectOptionsA(getLangs(), _c('lang')); ?></select> 
+	<?php if ($oldLangs) { ?>
+	<br><br>
+	<b>Notice!</b> You can use old language files after downloading in the new format and copying to the <i>/includes/lang/</i> folder.<br>
+	<select id="mtt_old_langs"><?php echo selectOptionsA( $oldLangs, _c('lang'), 'en'); ?></select> 
+	<a id="mtt_old_langs_link" href="<?php mttinfo('mtt_url')?>mytinytodo_lang.php?jsonfile">Download json file</a>
+	<script type="text/javascript">
+	$('#mtt_old_langs').on('change', function(){
+		$('#mtt_old_langs_link').attr('href', mytinytodo.mttUrl + 'mytinytodo_lang.php?jsonfile&lang=' + $(this).val());
+	});
+	$('#mtt_old_langs_link').attr('href', mytinytodo.mttUrl + 'mytinytodo_lang.php?jsonfile&lang=' + $('#mtt_old_langs').val());
+	</script>
+	<?php } ?>
+</td>
 </tr>
 
 <tr>