diff --git a/build/libifm.php b/build/libifm.php
index 19c1e01..771d0f9 100644
--- a/build/libifm.php
+++ b/build/libifm.php
@@ -554,7 +554,7 @@ f00bar;
 		$this->templates = $templates;
 
 		$i18n = array();
-		$i18n['en'] = <<<'f00bar'
+		$i18n["en"] = <<<'f00bar'
 {
     "ajax_request": "AJAX Request",
     "cancel": "Cancel",
@@ -610,67 +610,8 @@ f00bar;
     "word_wrap": "Word Wrap"
 }
 f00bar;
-		$i18n['en'] = json_decode($i18n['en'], true);
-		$i18n['de'] = <<<'f00bar'
-{
-    "ajax_request": "AJAX Request",
-    "archivename": "Name des Archivs",
-    "cancel": "Abbrechen",
-    "close": "Schließen",
-    "copy": "Kopieren",
-    "data": "Daten",
-    "delete": "Löschen",
-    "directoryname": "Ordner Name",
-    "editor_options": "Editor Optionen",
-    "extract": "Auspacken",
-    "extract_filename": "Folgende Datei auspacken -",
-    "file_delete_confirm": "Soll die folgende Datei wirklich gelöscht werden:",
-    "file_edit_success": "Datei erfolgreich geändert / angelegt.",
-    "file_multi_delete_confirm": "Sollen diese Dateien wirklich gelöscht werden:",
-    "file_new": "Neue Datei",
-    "file_save_confirm": "Soll diese Datei wirklich gelöscht werden:",
-    "filename": "Dateiname",
-    "filename_new": "Neuer Dateiname",
-    "folder_new": "Neue Ordner",
-    "footer": "IFM - verbesserter file manager | ifm.php versteckt |",
-    "github": "Besuche das Projekt auf GitHub",
-    "group": "Gruppe",
-    "last_modified": "Zuletzt geändert",
-    "login": "Anmeldung",
-    "logout": "Abmelden",
-    "method": "Methode",
-    "move": "Verschieben",
-    "options": "Optionen",
-    "owner": "Besitzer",
-    "password": "Passwort",
-    "path_content": "Inhalt von",
-    "permissions": "Berechtigungen",
-    "refresh": "Auffrischen",
-    "rename": "Umbenennen",
-    "rename_filename": "Folgende Datei umbenennen -",
-    "request": "Anfrage",
-    "response": "Antwort",
-    "save": "Speichen",
-    "save_wo_close": "Speichen ohne Schließen",
-    "search": "Suchen",
-    "search_pattern": "Muster",
-    "select_destination": "Zielort auswählen",
-    "size": "Größe",
-    "soft_tabs": "Leichte Tabulatoren",
-    "tab_size": "Tabulatoren Größe",
-    "tasks": "Aufgaben",
-    "toggle_nav": "Navigation umschalten",
-    "upload": "Hochladen",
-    "upload_drop": "Dateien zum hochladen hier hinziehen",
-    "upload_file": "Datei hochladen",
-    "upload_remote": "Hochladen von ausserhalb",
-    "upload_remote_url": "Entfernte URL zum hochladen",
-    "username": "Benutzername",
-    "word_wrap": "Zeilenumbruch"
-}
+$i18n["en"] = json_decode( $i18n["en"], true );
 
-f00bar;
-		$i18n['de'] = json_decode($i18n['de'], true);
 		$this->i18n = $i18n;
 	}
 
@@ -2840,7 +2781,12 @@ function IFM( params ) {
 		} elseif( $_REQUEST["api"] == "getTemplates" ) {
 			$this->jsonResponse( $this->templates );
 		} elseif( $_REQUEST["api"] == "getI18N" ) {
-			$this->jsonResponse( $this->i18n[$this->config['language']] );
+			if( isset( $this->i18n[$this->config['language']] ) )
+				$this->jsonResponse( $this->i18n[$this->config['language']] );
+			else {
+				foreach( $this->i18n as $lang ) break;
+				$this->jsonResponse( $lang );
+			}
 		} elseif( $_REQUEST["api"] == "logout" ) {
 			unset( $_SESSION );
 			session_destroy();
diff --git a/compiler.php b/compiler.php
index d483e19..2cade4c 100755
--- a/compiler.php
+++ b/compiler.php
@@ -18,6 +18,21 @@ $IFM_BUILD_STANDALONE = "ifm.php";
 $IFM_BUILD_STANDALONE_COMPRESSED = "build/ifm.min.php";
 $IFM_BUILD_LIB_PHP = "build/libifm.php";
 
+$options = getopt( null, array( "language::" ) );
+$vars['languages'] = isset( $options['language'] ) ? explode( ',', $options['language'] ) : array( "en" );
+$vars['defaultlanguage'] = $vars['languages'][0];
+$vars['languageincludes'] = "";
+foreach( $vars['languages'] as $l ) {
+	if( file_exists( "src/i18n/".$l.".json" ) ) 
+		$vars['languageincludes'] .=
+			'$i18n["'.$l.'"] = <<<\'f00bar\'' . "\n"
+			. file_get_contents( "src/i18n/".$l.".json" ) . "\n"
+			. 'f00bar;' . "\n"
+			. '$i18n["'.$l.'"] = json_decode( $i18n["'.$l.'"], true );' . "\n" ;
+	else
+		print "WARNING: Language file src/i18n/".$l.".json not found.\n";
+}
+
 /**
  * Concat PHP Files
  */
@@ -30,13 +45,20 @@ foreach( $IFM_SRC_PHP as $phpfile ) {
 $compiled = join( $compiled );
 
 /**
- * Process includes
+ * Process file includes
  */
 $includes = NULL;
 preg_match_all( "/\@\@\@file:([^\@]+)\@\@\@/", $compiled, $includes, PREG_SET_ORDER );
-foreach( $includes as $file ) {
+foreach( $includes as $file )
 	$compiled = str_replace( $file[0], file_get_contents( $file[1] ), $compiled );
-}
+
+/**
+ * Process variable includes
+ */
+$includes = NULL;
+preg_match_all( "/\@\@\@vars:([^\@]+)\@\@\@/", $compiled, $includes, PREG_SET_ORDER );
+foreach( $includes as $var )
+	$compiled = str_replace( $var[0], $vars[$var[1]], $compiled );
 
 /**
  * Build standalone script
diff --git a/ifm.php b/ifm.php
index c9d0e98..5843bbd 100644
--- a/ifm.php
+++ b/ifm.php
@@ -554,7 +554,7 @@ f00bar;
 		$this->templates = $templates;
 
 		$i18n = array();
-		$i18n['en'] = <<<'f00bar'
+		$i18n["en"] = <<<'f00bar'
 {
     "ajax_request": "AJAX Request",
     "cancel": "Cancel",
@@ -610,67 +610,8 @@ f00bar;
     "word_wrap": "Word Wrap"
 }
 f00bar;
-		$i18n['en'] = json_decode($i18n['en'], true);
-		$i18n['de'] = <<<'f00bar'
-{
-    "ajax_request": "AJAX Request",
-    "archivename": "Name des Archivs",
-    "cancel": "Abbrechen",
-    "close": "Schließen",
-    "copy": "Kopieren",
-    "data": "Daten",
-    "delete": "Löschen",
-    "directoryname": "Ordner Name",
-    "editor_options": "Editor Optionen",
-    "extract": "Auspacken",
-    "extract_filename": "Folgende Datei auspacken -",
-    "file_delete_confirm": "Soll die folgende Datei wirklich gelöscht werden:",
-    "file_edit_success": "Datei erfolgreich geändert / angelegt.",
-    "file_multi_delete_confirm": "Sollen diese Dateien wirklich gelöscht werden:",
-    "file_new": "Neue Datei",
-    "file_save_confirm": "Soll diese Datei wirklich gelöscht werden:",
-    "filename": "Dateiname",
-    "filename_new": "Neuer Dateiname",
-    "folder_new": "Neue Ordner",
-    "footer": "IFM - verbesserter file manager | ifm.php versteckt |",
-    "github": "Besuche das Projekt auf GitHub",
-    "group": "Gruppe",
-    "last_modified": "Zuletzt geändert",
-    "login": "Anmeldung",
-    "logout": "Abmelden",
-    "method": "Methode",
-    "move": "Verschieben",
-    "options": "Optionen",
-    "owner": "Besitzer",
-    "password": "Passwort",
-    "path_content": "Inhalt von",
-    "permissions": "Berechtigungen",
-    "refresh": "Auffrischen",
-    "rename": "Umbenennen",
-    "rename_filename": "Folgende Datei umbenennen -",
-    "request": "Anfrage",
-    "response": "Antwort",
-    "save": "Speichen",
-    "save_wo_close": "Speichen ohne Schließen",
-    "search": "Suchen",
-    "search_pattern": "Muster",
-    "select_destination": "Zielort auswählen",
-    "size": "Größe",
-    "soft_tabs": "Leichte Tabulatoren",
-    "tab_size": "Tabulatoren Größe",
-    "tasks": "Aufgaben",
-    "toggle_nav": "Navigation umschalten",
-    "upload": "Hochladen",
-    "upload_drop": "Dateien zum hochladen hier hinziehen",
-    "upload_file": "Datei hochladen",
-    "upload_remote": "Hochladen von ausserhalb",
-    "upload_remote_url": "Entfernte URL zum hochladen",
-    "username": "Benutzername",
-    "word_wrap": "Zeilenumbruch"
-}
+$i18n["en"] = json_decode( $i18n["en"], true );
 
-f00bar;
-		$i18n['de'] = json_decode($i18n['de'], true);
 		$this->i18n = $i18n;
 	}
 
@@ -2840,7 +2781,12 @@ function IFM( params ) {
 		} elseif( $_REQUEST["api"] == "getTemplates" ) {
 			$this->jsonResponse( $this->templates );
 		} elseif( $_REQUEST["api"] == "getI18N" ) {
-			$this->jsonResponse( $this->i18n[$this->config['language']] );
+			if( isset( $this->i18n[$this->config['language']] ) )
+				$this->jsonResponse( $this->i18n[$this->config['language']] );
+			else {
+				foreach( $this->i18n as $lang ) break;
+				$this->jsonResponse( $lang );
+			}
 		} elseif( $_REQUEST["api"] == "logout" ) {
 			unset( $_SESSION );
 			session_destroy();
diff --git a/src/main.php b/src/main.php
index ab74310..8453ff8 100644
--- a/src/main.php
+++ b/src/main.php
@@ -24,7 +24,7 @@ class IFM {
 		"tmp_dir" => "",
 		"defaulttimezone" => "Europe/Berlin",
 		"forbiddenChars" => array(),
-		"language" => "en",
+		"language" => "@@@vars:defaultlanguage@@@",
 
 		// api controls
 		"ajaxrequest" => 1,
@@ -159,14 +159,7 @@ f00bar;
 		$this->templates = $templates;
 
 		$i18n = array();
-		$i18n['en'] = <<<'f00bar'
-@@@file:src/i18n/en.json@@@
-f00bar;
-		$i18n['en'] = json_decode($i18n['en'], true);
-		$i18n['de'] = <<<'f00bar'
-@@@file:src/i18n/de.json@@@
-f00bar;
-		$i18n['de'] = json_decode($i18n['de'], true);
+		@@@vars:languageincludes@@@
 		$this->i18n = $i18n;
 	}
 
@@ -252,7 +245,12 @@ f00bar;
 		} elseif( $_REQUEST["api"] == "getTemplates" ) {
 			$this->jsonResponse( $this->templates );
 		} elseif( $_REQUEST["api"] == "getI18N" ) {
-			$this->jsonResponse( $this->i18n[$this->config['language']] );
+			if( isset( $this->i18n[$this->config['language']] ) )
+				$this->jsonResponse( $this->i18n[$this->config['language']] );
+			else {
+				foreach( $this->i18n as $lang ) break;
+				$this->jsonResponse( $lang );
+			}
 		} elseif( $_REQUEST["api"] == "logout" ) {
 			unset( $_SESSION );
 			session_destroy();