diff --git a/utils/Commands/CheckextensionCommand.php b/utils/Commands/CheckextensionCommand.php
new file mode 100644
index 000000000..564882d27
--- /dev/null
+++ b/utils/Commands/CheckextensionCommand.php
@@ -0,0 +1,71 @@
+<?php
+namespace Seeddms\Console\Commands;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Formatter\OutputFormatterStyle;
+
+
+use Seeddms\Seeddms\Settings;
+use Seeddms\Seeddms\Translator;
+use SeedDMS_Core_File;
+use SeedDMS_View_Common;
+use SeedDMS_Extension_Mgr;
+use Log_file;
+
+class CheckextensionCommand extends Command
+{
+    protected $settings;
+
+    protected $logger;
+
+    protected $translator;
+
+    protected $extmgr;
+
+    public function __construct(Settings $settings, Log_file $logger, Translator $translator, SeedDMS_Extension_Mgr $extmgr)
+    {
+        $this->settings = $settings;
+        $this->logger = $logger;
+        $this->translator = $translator;
+        $this->extmgr = $extmgr;
+        parent::__construct();
+    }
+
+    protected function configure()
+    {
+        $this->setName('ext:check')
+            ->setDescription('Check extensions')
+            ->setHelp('Checks all installed extensions for completeness and dependencies.')
+        ;
+    }
+ 
+    protected function execute(InputInterface $input, OutputInterface $output) : int
+    {
+        $settings = $this->settings;
+        $logger = $this->logger;
+        $translator = $this->translator;
+        $extmgr = $this->extmgr;
+
+        $output->writeln("<comment>Using configuration from '".$settings->_configFilePath."'.</comment>", OutputInterface::VERBOSITY_VERBOSE);
+
+        $extconfs = $extmgr->getExtensionConfiguration();
+        foreach ($extconfs as $extname=>$extconf) {
+            if($extmgr->checkExtensionByDir($extname)) {
+                $output->writeln(sprintf("<info>%s</info>", $extname));
+            } else {
+                $output->writeln(sprintf("<error>%s</error>", $extname));
+                $errmsgs = $extmgr->getErrorMsgs();
+                foreach($errmsgs as $errmsg) {
+                  $output->writeln(sprintf("<comment>%s</comment>", $errmsg));
+                }
+            }
+        }
+        return Command::SUCCESS;
+    }
+}
+
+// vim: ts=4 sw=4 expandtab
diff --git a/utils/console b/utils/console
index 8d67ca401..9b853905d 100755
--- a/utils/console
+++ b/utils/console
@@ -19,6 +19,7 @@ use Seeddms\Console\Commands\ConfigureextensionCommand;
 use Seeddms\Console\Commands\UploadextensionCommand;
 use Seeddms\Console\Commands\PackageextensionCommand;
 use Seeddms\Console\Commands\ReloadextensionCommand;
+use Seeddms\Console\Commands\CheckextensionCommand;
 use Seeddms\Seeddms\Settings;
 use Seeddms\Seeddms\Translator;
 
@@ -46,6 +47,7 @@ $application->add(new ConfigureextensionCommand($settings, $logger, $translator,
 $application->add(new UploadextensionCommand($settings, $logger, $translator, $extmgr));
 $application->add(new PackageextensionCommand($settings, $logger, $translator, $extmgr));
 $application->add(new ReloadextensionCommand($settings, $logger, $translator, $extmgr));
+$application->add(new CheckextensionCommand($settings, $logger, $translator, $extmgr));
 
 if(isset($GLOBALS['SEEDDMS_HOOKS']['console'])) {
     foreach($GLOBALS['SEEDDMS_HOOKS']['console'] as $hookObj) {