diff --git a/extensions/sd-webui-thumbnailizer.json b/extensions/sd-webui-thumbnailizer.json
new file mode 100644
index 00000000..68441b34
--- /dev/null
+++ b/extensions/sd-webui-thumbnailizer.json
@@ -0,0 +1,10 @@
+{
+    "name": "Thumbnailizer",
+    "url": "https://github.com/MNeMoNiCuZ/sd-webui-thumbnailizer.git",
+    "description": "A thumbnail gallery and set management tool. Generate and switch between different thumbnail sets for your checkpoints.",
+    "tags": [
+        "script",
+        "tab",
+        "UI related"
+    ]
+}