diff --git a/cmd/genwebui/genwebui.go b/cmd/genwebui/genwebui.go
new file mode 100644
index 0000000..2abe552
--- /dev/null
+++ b/cmd/genwebui/genwebui.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+
+	"sketch.dev/webui"
+)
+
+func main() {
+	flag.Parse()
+	if flag.NArg() != 1 {
+		log.Fatalf("expected exactly 1 arg (destination directory), got %v", flag.NArg())
+	}
+	dest := flag.Arg(0)
+	if dest == "" {
+		log.Fatalf("expected destination directory, got %q", dest)
+	}
+	// TODO: make webui.Build write directly to dest instead of writing to a temp dir and copying to dest
+	fsys, err := webui.Build()
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = os.CopyFS(dest, fsys)
+	if err != nil {
+		log.Fatal(err)
+	}
+}