diff --git a/src-interface/main_ui.cpp b/src-interface/main_ui.cpp
index 8df79c847..e0e7ac551 100644
--- a/src-interface/main_ui.cpp
+++ b/src-interface/main_ui.cpp
@@ -204,6 +204,9 @@ namespace satdump
 
             if (error::hasError)
                 error::render();
+
+            if (settings::show_imgui_demo)
+                ImGui::ShowDemoWindow();
         }
     }
 
diff --git a/src-interface/settings.cpp b/src-interface/settings.cpp
index 75669deb2..d8cf12409 100644
--- a/src-interface/settings.cpp
+++ b/src-interface/settings.cpp
@@ -30,6 +30,8 @@ namespace satdump
 
         bool tles_are_update = false;
 
+        bool show_imgui_demo = false;
+
         void setup()
         {
             nlohmann::ordered_json params = satdump::config::main_cfg["user_interface"];
@@ -86,6 +88,15 @@ namespace satdump
                 {
                     for (std::pair<std::string, satdump::params::EditableParameter> &p : settings_user_interface)
                         p.second.draw();
+
+                    ImGui::TableNextRow();
+                    ImGui::TableSetColumnIndex(0);
+                    ImGui::Text("Show ImGui Demo");
+                    if (ImGui::IsItemHovered())
+                        ImGui::SetTooltip("For developers only!");
+                    ImGui::TableSetColumnIndex(1);
+                    ImGui::Checkbox("##showimguidebugcheckbox", &show_imgui_demo);
+
                     ImGui::EndTable();
                 }
             }
diff --git a/src-interface/settings.h b/src-interface/settings.h
index be9d54685..04a7d998d 100644
--- a/src-interface/settings.h
+++ b/src-interface/settings.h
@@ -4,6 +4,7 @@ namespace satdump
 {
     namespace settings
     {
+        extern bool show_imgui_demo;
         void setup();
         void render();
     }