diff --git a/engine.build.lua b/engine.build.lua
index ea06e71..35a8e2a 100644
--- a/engine.build.lua
+++ b/engine.build.lua
@@ -27,6 +27,7 @@ settings.cc.includes:Add("vendor/stb/include")
 -----------------------------------------------------------
 
 local system_module = Module("source/System", {
+	"ByteOrder.cpp",
 	"File.cpp",
 	"Path.cpp",
 	"MessageHandler.cpp",
diff --git a/include/Spectre/System/ByteOrder.h b/include/Spectre/System/ByteOrder.h
new file mode 100644
index 0000000..ff89d6f
--- /dev/null
+++ b/include/Spectre/System/ByteOrder.h
@@ -0,0 +1,15 @@
+
+#ifndef SPECTRE_SYSTEM_BYTEORDER_H
+#define SPECTRE_SYSTEM_BYTEORDER_H
+
+#include <cstdint>
+
+namespace sp { namespace system
+{
+	uint16_t ltoh16(const uint8_t* bytes);
+
+	uint32_t ltoh32(const uint8_t* bytes);
+
+} } // namespace sp::system
+
+#endif /* SPECTRE_SYSTEM_BYTEORDER_H */
diff --git a/source/System/ByteOrder.cpp b/source/System/ByteOrder.cpp
new file mode 100644
index 0000000..71886b9
--- /dev/null
+++ b/source/System/ByteOrder.cpp
@@ -0,0 +1,20 @@
+
+#include <Spectre/System/ByteOrder.h>
+
+namespace sp { namespace system
+{
+
+uint16_t ltoh16(const uint8_t* bytes)
+{
+	return bytes[0] | (bytes[1] << 8);
+}
+
+uint32_t ltoh32(const uint8_t* bytes)
+{
+	return bytes[0]
+		| (bytes[1] << 8)
+		| (bytes[2] << 16)
+		| (bytes[3] << 24);
+}
+
+} } // namespace sp::system