diff --git a/extensions/markedit-textpack.json b/extensions/markedit-textpack.json
new file mode 100644
index 0000000..2b91365
--- /dev/null
+++ b/extensions/markedit-textpack.json
@@ -0,0 +1,17 @@
+{
+  "$schema": "https://github.com/MarkEdit-app/extensions/raw/refs/heads/main/schemas/extension.schema.json",
+  "id": "markedit-textpack",
+  "name": "MarkEdit Textpack Export",
+  "description": "Export Markdown as a TextBundle v2 .textpack archive with local assets.",
+  "author": "haohailong",
+  "homepage": "https://github.com/haohailong/MarkEdit-textpack",
+  "versions": [
+    {
+      "version": "0.1.0",
+      "url": "https://github.com/haohailong/MarkEdit-textpack/releases/download/v0.1.0/markedit-textpack.js",
+      "sha256": "6d95ff670d1e84246cf7464e2c594a0a8a1f5ad14fcce0ba7fd82e055c6eacdd",
+      "minAppVersion": "1.36.0",
+      "notes": "Initial release with English and Simplified Chinese interface messages."
+    }
+  ]
+}