diff --git a/util_functions.cpp b/util_functions.cpp
new file mode 100644
index 0000000..bdcca96
--- /dev/null
+++ b/util_functions.cpp
@@ -0,0 +1 @@
+#include "util_functions.hpp"
diff --git a/util_functions.hpp b/util_functions.hpp
new file mode 100644
index 0000000..1b74883
--- /dev/null
+++ b/util_functions.hpp
@@ -0,0 +1,24 @@
+#ifndef UTILS_FUNCTIONS_HPP
+#define UTILS_FUNCTIONS_HPP
+
+#include <godot_cpp/variant/dictionary.hpp>
+#include <godot_cpp/templates/hash_map.hpp>
+
+template<typename T, typename U>
+gd::Dictionary hashmap_to_dictionary(gd::HashMap<T, U> const &map) {
+    gd::Dictionary dict{};
+    for(gd::KeyValue<T, U> const &kvp : map)
+        dict[kvp.key] = kvp.value;
+    return dict;
+}
+
+template<typename T, typename U>
+gd::HashMap<T, U> dictionary_to_hashmap(gd::Dictionary const &dict) {
+    gd::HashMap<T, U> map{};
+    gd::Array keys{dict.keys()};
+    for(size_t i = 0; i < keys.size(); ++i)
+        map.insert(keys[i], dict[keys[i]]);
+    return map;
+}
+
+#endif // !UTILS_FUNCTIONS_HPP