diff --git a/tinyfilemanager.php b/tinyfilemanager.php
index 6f55502..7643359 100644
--- a/tinyfilemanager.php
+++ b/tinyfilemanager.php
@@ -156,6 +156,7 @@ $external = array(
     'css-font-awesome' => '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" crossorigin="anonymous">',
     'css-highlightjs' => '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.6.0/styles/' . $highlightjs_style . '.min.css">',
     'js-ace' => '<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.13.1/ace.js"></script>',
+    'js-aceext-language_tools' => '<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ext-language_tools.js"></script>',
     'js-bootstrap' => '<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-OERcA2EqjJCMA+/3y+gxIOqMEjwtxJY7qPCqsdltbNJuaOe923+mo//f6V8Qbsw3" crossorigin="anonymous"></script>',
     'js-dropzone' => '<script src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.9.3/min/dropzone.min.js"></script>',
     'js-jquery' => '<script src="https://code.jquery.com/jquery-3.6.1.min.js" integrity="sha256-o88AwQnZB+VDvE9tvIXrMQaPlFFSUTR+nldQm1LuPXQ=" crossorigin="anonymous"></script>',
@@ -4163,10 +4164,18 @@ $isStickyNavBar = $sticky_navbar ? 'navbar-fixed' : 'navbar-normal';
         $ext =  $ext == "js" ? "javascript" :  $ext;
         ?>
     <?php print_external('js-ace'); ?>
+    <?php print_external('js-aceext-language_tools'); ?>
     <script>
+        ace.require("ace/ext/language_tools");
         var editor = ace.edit("editor");
         editor.getSession().setMode( {path:"ace/mode/<?php echo $ext; ?>", inline:true} );
         //editor.setTheme("ace/theme/twilight"); //Dark Theme
+        // enable autocompletion and snippets
+        editor.setOptions({
+            enableBasicAutocompletion: true,
+            enableSnippets: true,
+            enableLiveAutocompletion: true
+        });
         editor.setShowPrintMargin(false); // Hide the vertical ruler
         function ace_commend (cmd) { editor.commands.exec(cmd, editor); }
         editor.commands.addCommands([{