diff --git a/tools/chatgui/src/imageviewer_window.cpp b/tools/chatgui/src/imageviewer_window.cpp
index 3dd80c1b..75f6bfba 100644
--- a/tools/chatgui/src/imageviewer_window.cpp
+++ b/tools/chatgui/src/imageviewer_window.cpp
@@ -108,6 +108,10 @@ void ImageViewerWindow::resetView() {
     m_dragging = false;
 }
 
+void ImageViewerWindow::loadImage(const QImage& image) {
+    m_image = QPixmap::fromImage(image); resetView(); update();
+}
+
 void ImageViewerWindow::clampOffset() {
     if (m_image.isNull()) { m_offset = QPointF(0, 0); return; }
     double baseW = (double)m_image.width() / width();
diff --git a/tools/chatgui/src/imageviewer_window.h b/tools/chatgui/src/imageviewer_window.h
index a2f22322..aa45d797 100644
--- a/tools/chatgui/src/imageviewer_window.h
+++ b/tools/chatgui/src/imageviewer_window.h
@@ -16,6 +16,7 @@ class ImageViewerWindow : public QWidget {
 public:
     explicit ImageViewerWindow(QWidget *parent = nullptr);
     void loadFile(const QString& path);
+    void loadImage(const QImage& image);
 
 signals:
     void closed();