diff --git a/src/armnnUtils/PrototxtConversions.hpp b/src/armnnUtils/PrototxtConversions.hpp
new file mode 100644
index 0000000..c90af9e
--- /dev/null
+++ b/src/armnnUtils/PrototxtConversions.hpp
@@ -0,0 +1,16 @@
+﻿//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <string>
+
+namespace armnnUtils
+{
+
+/// Converts an int value into the Prototxt octal representation
+std::string ConvertInt32ToOctalString(int value);
+
+} // namespace armnnUtils