diff --git a/js/realtime_calc.js b/js/realtime_calc.js
new file mode 100644
index 0000000..56d5144
--- /dev/null
+++ b/js/realtime_calc.js
@@ -0,0 +1,130 @@
+import { app } from "../../scripts/app.js";
+
+app.registerExtension({
+    name: "ResolutionUtils.Divider.Realtime",
+    async nodeCreated(node, app) {
+        // Ensure this script only runs on our specific node
+        if (node.comfyClass !== "ResolutionDividerNode") return;
+
+        // --- 1. FIND WIDGETS ---
+        const imgWidget = node.widgets.find(w => w.name === "image");
+        const resWidget = node.widgets.find(w => w.name === "res_string");
+        const divWidget = node.widgets.find(w => w.name === "divider");
+
+        // --- 2. CREATE LIVE RESULT WIDGET ---
+        // This is purely for display purposes
+        const displayWidget = node.addWidget("text", "Live Result", "Waiting for Input...", () => {}, {
+            multiline: false,
+        });
+
+        // Styling the display widget
+        if (displayWidget.inputEl) {
+            displayWidget.inputEl.readOnly = true;
+            displayWidget.inputEl.style.opacity = "0.8";
+            displayWidget.inputEl.style.textAlign = "center";
+            displayWidget.inputEl.style.backgroundColor = "#222";
+            displayWidget.inputEl.style.color = "#0f0"; // Matrix Green
+            displayWidget.inputEl.style.marginBottom = "5px";
+            displayWidget.inputEl.style.border = "1px solid #444";
+        }
+
+        // --- 3. UI LAYOUT (SAFE REORDERING) ---
+        // Current order in ComfyUI memory: [res_string, divider, image, Live Result]
+        // Target order: [res_string, divider, Live Result, image]
+        
+        // Find index positions
+        const imgIndex = node.widgets.indexOf(imgWidget);
+        const displayIndex = node.widgets.indexOf(displayWidget);
+
+        if (imgIndex !== -1 && displayIndex !== -1) {
+            // Remove 'Live Result' from the bottom
+            node.widgets.splice(displayIndex, 1);
+            
+            // Insert 'Live Result' BEFORE 'image'
+            // This keeps the 'upload button' attached to the image widget safe
+            node.widgets.splice(imgIndex, 0, displayWidget);
+        }
+
+        // Force node resize to fit new layout
+        node.setSize([node.size[0], node.computeSize()[1]]);
+
+        // -----------------------------------------------------------------
+
+        // --- HELPER FUNCTIONS ---
+
+        function updateResolutionFromImage() {
+            const filename = imgWidget.value;
+            if (!filename) return;
+            
+            // Fetch image from ComfyUI backend
+            const route = `/view?filename=${encodeURIComponent(filename)}&type=input`;
+            
+            const img = new Image();
+            img.onload = function() {
+                // Auto-fill the resolution string
+                resWidget.value = `${this.naturalWidth} x ${this.naturalHeight}`;
+                calculateLive();
+            };
+            img.src = route;
+        }
+
+        function calculateLive() {
+            const text = resWidget.value;
+            const div = divWidget.value || 1.0;
+
+            if (!text || text.trim() === "") {
+                displayWidget.value = "---";
+                return;
+            }
+
+            // Regex to handle various formats (e.g., "1920x1080", "1920, 1080")
+            const cleanStr = text.replace(/[xX*,]/g, " ");
+            const parts = cleanStr.match(/\d+/g);
+
+            if (!parts || parts.length < 2) {
+                displayWidget.value = "Invalid Format";
+                return;
+            }
+
+            const w = parseInt(parts[0]);
+            const h = parseInt(parts[1]);
+            
+            // The Math
+            const newW = Math.floor(w / div);
+            const newH = Math.floor(h / div);
+
+            displayWidget.value = `${newW} x ${newH}`;
+        }
+
+        // --- CALLBACKS CHAINING ---
+        // Hook into existing widgets to trigger updates
+        
+        const originalCallbackImg = imgWidget.callback;
+        imgWidget.callback = function() {
+            if (originalCallbackImg) originalCallbackImg.apply(this, arguments);
+            updateResolutionFromImage();
+        };
+
+        const originalCallbackRes = resWidget.callback;
+        resWidget.callback = function() {
+            if (originalCallbackRes) originalCallbackRes.apply(this, arguments);
+            calculateLive();
+        };
+
+        const originalCallbackDiv = divWidget.callback;
+        divWidget.callback = function() {
+            if (originalCallbackDiv) originalCallbackDiv.apply(this, arguments);
+            calculateLive();
+        };
+
+        // --- INITIALIZATION ---
+        // Delay slightly to ensure widgets are fully loaded
+        setTimeout(() => {
+             if (imgWidget.value && (!resWidget.value || resWidget.value === "")) {
+                updateResolutionFromImage();
+            } else {
+                calculateLive();
+            }
+        }, 100);
+    }
+});
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