diff --git a/core/permissions.php b/core/permissions.php
index ed928380..21429ae7 100644
--- a/core/permissions.php
+++ b/core/permissions.php
@@ -102,4 +102,5 @@ abstract class Permissions
 
     public const BULK_IMPORT = "bulk_import";
     public const BULK_EXPORT = "bulk_export";
+    public const BULK_DOWNLOAD = "bulk_download";
 }
diff --git a/core/userclass.php b/core/userclass.php
index 39d78667..a24c879e 100644
--- a/core/userclass.php
+++ b/core/userclass.php
@@ -99,6 +99,7 @@ new UserClass("user", "base", [
     Permissions::SEND_PM => true,
     Permissions::READ_PM => true,
     Permissions::SET_PRIVATE_IMAGE => true,
+    Permissions::BULK_DOWNLOAD => true,
 ]);
 
 new UserClass("hellbanned", "user", [
@@ -201,6 +202,7 @@ new UserClass("admin", "base", [
 
     Permissions::BULK_IMPORT =>true,
     Permissions::BULK_EXPORT =>true,
+    Permissions::BULK_DOWNLOAD => true,
 
     Permissions::SET_PRIVATE_IMAGE => true,
     Permissions::SET_OTHERS_PRIVATE_IMAGES => true,
diff --git a/ext/bulk_download/info.php b/ext/bulk_download/info.php
new file mode 100644
index 00000000..bb031282
--- /dev/null
+++ b/ext/bulk_download/info.php
@@ -0,0 +1,14 @@
+<?php declare(strict_types=1);
+
+
+class BulkDownloadInfo extends ExtensionInfo
+{
+    public const KEY = "bulk_download";
+
+    public $key = self::KEY;
+    public $name = "Bulk Download";
+    public $authors = ["Matthew Barbour"=>"matthew@darkholme.net"];
+    public $license = self::LICENSE_WTFPL;
+    public $description = "Allows bulk downloading images.";
+    public $dependencies = [BulkActionsInfo::KEY];
+}
diff --git a/ext/bulk_download/main.php b/ext/bulk_download/main.php
new file mode 100644
index 00000000..547e2aff
--- /dev/null
+++ b/ext/bulk_download/main.php
@@ -0,0 +1,78 @@
+<?php declare(strict_types=1);
+
+class BulkDownloadConfig
+{
+    public const SIZE_LIMIT = "bulk_download_size_limit";
+}
+class BulkDownloadException extends BulkActionException
+{
+}
+
+
+class BulkDownload extends Extension
+{
+    private const DOWNLOAD_ACTION_NAME = "bulk_download";
+
+    public function onInitExt(InitExtEvent $event)
+    {
+        global $config;
+        $config->set_default_int(BulkDownloadConfig::SIZE_LIMIT, parse_shorthand_int('100MB'));
+    }
+
+    public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event)
+    {
+        global $user, $config;
+
+        if ($user->can(Permissions::BULK_DOWNLOAD)) {
+            $event->add_action(BulkDownload::DOWNLOAD_ACTION_NAME, "Download ZIP");
+        }
+    }
+
+    public function onSetupBuilding(SetupBuildingEvent $event)
+    {
+        $sb = new SetupBlock("Bulk Download");
+
+        $sb->start_table();
+        $sb->add_shorthand_int_option(BulkDownloadConfig::SIZE_LIMIT, "Size Limit", true);
+        $sb->end_table();
+
+        $event->panel->add_block($sb);
+    }
+
+    public function onBulkAction(BulkActionEvent $event)
+    {
+        global $user, $page, $config;
+
+        if ($user->can(Permissions::BULK_DOWNLOAD)&&
+            ($event->action == BulkDownload::DOWNLOAD_ACTION_NAME)) {
+            $download_filename = $user->name . '-' . date('YmdHis') . '.zip';
+            $zip_filename = tempnam(sys_get_temp_dir(), "shimmie_bulk_download");
+            $zip = new ZipArchive;
+            $size_total = 0;
+            $max_size = $config->get_int(BulkDownloadConfig::SIZE_LIMIT);
+
+            if ($zip->open($zip_filename, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE) === true) {
+                foreach ($event->items as $image) {
+                    $img_loc = warehouse_path(Image::IMAGE_DIR, $image->hash, false);
+                    $size_total += filesize($img_loc);
+                    if ($size_total>$max_size) {
+                        throw new BulkDownloadException("Bulk download limited to ".human_filesize($max_size));
+                    }
+
+
+                    $filename = urldecode($image->get_nice_image_name());
+                    $filename = str_replace(":", ";", $filename);
+                    $zip->addFile($img_loc, $filename);
+                }
+
+                $zip->close();
+
+                $page->set_mode(PageMode::FILE);
+                $page->set_file($zip_filename, true);
+                $page->set_filename($download_filename);
+
+                $event->redirect = false;
+            }
+        }
+    }
+}