diff --git a/tools/unity_uitune.cs b/tools/unity_uitune.cs
new file mode 100644
index 0000000..2490623
--- /dev/null
+++ b/tools/unity_uitune.cs
@@ -0,0 +1,50 @@
+// LIVE UI TUNER — paste into UnityExplorer's C# Console. Edit the knobs, Run, look,
+// repeat. Nothing persists; relaunching reverts everything.
+//
+// IMPORTANT: run this IN-GAME (not the main menu). Different scenes have different
+// canvases, and the overlapping text is in the gameplay HUD.
+//
+// scaleFactor = (screenW/refW)^(1-match) * (screenH/refH)^match
+// match=1 scales by HEIGHT (logical height stays 1080 = the design height).
+// Lowering match shrinks logical height below 1080 and CRAMPS things vertically.
+
+// ---- KNOBS -----------------------------------------------------------------
+float MATCH       = 1.0f;    // 0 = scale by width, 1 = scale by height
+float SCALE_MULT  = 1.0f;    // extra multiplier on top (0.9 = 10% smaller HUD)
+float REF_W       = 0f;      // 0 = leave reference resolution alone
+float REF_H       = 0f;      // e.g. set 3840/1080 to design against ultrawide
+bool  LIST_ONLY   = false;   // true = report current state, change nothing
+// ----------------------------------------------------------------------------
+
+var log = new System.Text.StringBuilder();
+log.AppendLine($"SCREEN {UnityEngine.Screen.width}x{UnityEngine.Screen.height} " +
+    $"aspect={(float)UnityEngine.Screen.width / UnityEngine.Screen.height:F4}");
+
+foreach (var cs in UnityEngine.Object.FindObjectsOfType<UnityEngine.UI.CanvasScaler>())
+{
+    log.AppendLine($"BEFORE {cs.name}: mode={cs.uiScaleMode} ref={cs.referenceResolution} " +
+        $"match={cs.matchWidthOrHeight} scaleFactor={cs.scaleFactor}");
+
+    if (!LIST_ONLY)
+    {
+        if (REF_W > 0 && REF_H > 0)
+            cs.referenceResolution = new UnityEngine.Vector2(REF_W, REF_H);
+        cs.matchWidthOrHeight = MATCH;
+        cs.scaleFactor = SCALE_MULT;
+    }
+
+    // report the resulting logical canvas the UI is laid out in
+    var cv = cs.GetComponent<UnityEngine.Canvas>();
+    float sf = cv ? cv.scaleFactor : 0f;
+    if (sf > 0)
+        log.AppendLine($"AFTER  {cs.name}: effectiveScale={sf:F4} " +
+            $"logicalCanvas={UnityEngine.Screen.width / sf:F0}x{UnityEngine.Screen.height / sf:F0}");
+}
+
+// Every canvas in the scene — the overlapping text may live on one we haven't touched
+foreach (var cv in UnityEngine.Object.FindObjectsOfType<UnityEngine.Canvas>())
+    log.AppendLine($"CANVAS {cv.name} mode={cv.renderMode} scale={cv.scaleFactor:F4} " +
+        $"hasScaler={(cv.GetComponent<UnityEngine.UI.CanvasScaler>() != null)} " +
+        $"sortOrder={cv.sortingOrder}");
+
+UnityExplorer.ExplorerCore.Log(log.ToString());