diff --git a/gui/renderconfig.cpp b/gui/renderconfig.cpp
new file mode 100644
index 0000000..67d557e
--- /dev/null
+++ b/gui/renderconfig.cpp
@@ -0,0 +1,17 @@
+#include "renderconfig.h"
+
+QDataStream &operator<<(QDataStream &out, const RenderConfig &rc)
+{
+	out << rc.scaleX;
+	out << rc.scaleY;
+	out << rc.wordsToHighlight;
+	return out;
+}
+
+QDataStream &operator>>(QDataStream &in, RenderConfig &rc)
+{
+	in >> rc.scaleX;
+	in >> rc.scaleY;
+	in >> rc.wordsToHighlight;
+	return in;
+}
diff --git a/gui/renderconfig.h b/gui/renderconfig.h
index dc752ce..7b50fdf 100644
--- a/gui/renderconfig.h
+++ b/gui/renderconfig.h
@@ -1,12 +1,17 @@
 #ifndef RENDERCONFIG_H
 #define RENDERCONFIG_H
 #include <QVector>
+#include <QDataStream>
 
 struct RenderConfig
 {
 	double scaleX = 50 / 100.;
 	double scaleY = scaleX;
 	QVector<QString> wordsToHighlight;
+	friend QDataStream &operator<<(QDataStream &out, const RenderConfig &rc);
+	friend QDataStream &operator>>(QDataStream &in, RenderConfig &rc);
 };
 
+QDataStream &operator<<(QDataStream &out, const RenderConfig &rc);
+QDataStream &operator>>(QDataStream &in, RenderConfig &rc);
 #endif // RENDERCONFIG_H