diff --git a/src/gfx.c b/src/gfx.c
index 8d95219..c47f560 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -216,14 +216,26 @@ float2_t gfx_get_offset(void) {
     return gfx.offset;
 }
 
+float gfx_min_scale(void) {
+    return 1.0f;
+}
+
+float gfx_max_scale(void) {
+    return 100.0f;
+}
+
 void gfx_add_scale(float scale_add) {
     assert(gfx.valid);
-    gfx.scale += scale_add;
-    if (gfx.scale < 1.0f) {
-        gfx.scale = 1.0f;
+    gfx_set_scale(gfx.scale + scale_add);
+}
+
+void gfx_set_scale(float scale) {
+    gfx.scale = scale;
+    if (gfx.scale < gfx_min_scale()) {
+        gfx.scale = gfx_min_scale();
     }
-    else if (gfx.scale > 100.0f) {
-        gfx.scale = 100.0f;
+    else if (gfx.scale > gfx_max_scale()) {
+        gfx.scale = gfx_max_scale();
     }
 }
 
diff --git a/src/gfx.h b/src/gfx.h
index 7692efe..baa3669 100644
--- a/src/gfx.h
+++ b/src/gfx.h
@@ -49,7 +49,10 @@ void gfx_end(void);
 float2_t gfx_get_display_size(void);
 void gfx_set_offset(float2_t offset);
 float2_t gfx_get_offset(void);
+float gfx_min_scale(void);
+float gfx_max_scale(void);
 void gfx_add_scale(float scale_add);
+void gfx_set_scale(float scale);
 float gfx_get_scale(void);
 float gfx_get_aspect(void);
 void gfx_highlight_node(int node_index);
diff --git a/src/ui.cc b/src/ui.cc
index 15388d7..221473b 100644
--- a/src/ui.cc
+++ b/src/ui.cc
@@ -845,6 +845,10 @@ static void ui_floating_controls(void) {
                     pick_set_layer_enabled(i, false);
                 }
             }
+            float scale = gfx_get_scale();
+            if (ImGui::SliderFloat("Scale", &scale, gfx_min_scale(), gfx_max_scale(), "%.2f", ImGuiSliderFlags_Logarithmic)) {
+                gfx_set_scale(scale);
+            }
         }
         ImGui::End();
     }