diff --git a/__init__.py b/__init__.py
index c3bb6c7..9846844 100644
--- a/__init__.py
+++ b/__init__.py
@@ -42,6 +42,7 @@ NODE_CONFIG = {
     "ResizeMask": {"class": ResizeMask, "name": "Resize Mask"},
     "RoundMask": {"class": RoundMask, "name": "Round Mask"},
     "SeparateMasks": {"class": SeparateMasks, "name": "Separate Masks"},
+    "ConsolidateMasksKJ": {"class": ConsolidateMasksKJ, "name": "Consolidate Masks"},
     #images
     "AddLabel": {"class": AddLabel, "name": "Add Label"},
     "ColorMatch": {"class": ColorMatch, "name": "Color Match"},
@@ -243,4 +244,4 @@ if hasattr(PromptServer, "instance"):
             [web.static("/kjweb_async", (Path(__file__).parent.absolute() / "kjweb_async").as_posix())]
         )
     except:
-        pass
\ No newline at end of file
+        pass
diff --git a/nodes/mask_nodes.py b/nodes/mask_nodes.py
index 9a84a12..c519ee0 100644
--- a/nodes/mask_nodes.py
+++ b/nodes/mask_nodes.py
@@ -1424,4 +1424,81 @@ class SeparateMasks:
             return out_masks,
         else:
             return torch.empty((1, 64, 64), device=mask.device),
-        
\ No newline at end of file
+
+
+class ConsolidateMasksKJ:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "masks": ("MASK",),
+                "width": ("INT", {"default": 512, "min": 0, "max": 4096, "step": 64}),
+                "height": ("INT", {"default": 512, "min": 0, "max": 4096, "step": 64}),
+                "padding": ("INT", {"default": 0, "min": 0, "max": 4096, "step": 1}),
+            },
+        }
+
+    RETURN_TYPES = ("MASK",)
+    FUNCTION = "consolidate"
+
+    CATEGORY = "KJNodes/masking"
+    DESCRIPTION = "Consolidates a batch of separate masks by finding the largest group of masks that fit inside a tile of the given width and height (including the padding), and repeating until no more masks can be combined."
+
+    def consolidate(self, masks, width=512, height=512, padding=0):
+        B, H, W = masks.shape
+
+        def mask_fits(coords, candidate_coords):
+            x_min, y_min, x_max, y_max = coords
+            cx_min, cy_min, cx_max, cy_max = candidate_coords
+            nx_min, ny_min = min(x_min, cx_min), min(y_min, cy_min)
+            nx_max, ny_max = max(x_max, cx_max), max(y_max, cy_max)
+            if nx_min + width < nx_max + padding or ny_min + height < ny_max + padding:
+                return False, coords
+            return True, (nx_min, ny_min, nx_max, ny_max)
+
+        separated = []
+        final_masks = []
+        for b in range(B):
+            m = masks[b]
+            rows, cols = m.any(dim=1), m.any(dim=0)
+            y_min, y_max = torch.where(rows)[0][[0, -1]]
+            x_min, x_max = torch.where(cols)[0][[0, -1]]
+            w = x_max - x_min + 1
+            h = y_max - y_min + 1
+            separated.append(((x_min.item(), y_min.item(), x_max.item(), y_max.item()), m))
+
+        separated.sort(key=lambda x: x[0])
+        fits = []
+        for i, masks in enumerate(separated):
+            coord = masks[0]
+            fits_in_box = []
+            for j, cand_mask in enumerate(separated):
+                if i == j:
+                    continue
+                r, coord = mask_fits(coord, cand_mask[0])
+                if r:
+                    fits_in_box.append(j)
+            fits.append((i, fits_in_box))
+        fits.sort(key=lambda x: -len(x[1]))
+        seen = []
+        unique_fits = []
+        for idx, fs in fits:
+            uniq = [i for i in fs if i not in seen]
+            unique_fits.append((idx, fs, uniq))
+            seen.extend(uniq)
+        unique_fits.sort(key=lambda x: (-len(x[1]), -len(x[2])))
+        merged = []
+        for mask_idx, fitting_masks, _ in unique_fits:
+            if mask_idx in merged:
+                continue
+            fitting_masks = [i for i in fitting_masks if i not in merged]
+            combined_mask = separated[mask_idx][1].clone()
+            for i in fitting_masks:
+                combined_mask += separated[i][1]
+                merged.append(i)
+            merged.append(mask_idx)
+            final_masks.append(combined_mask)
+
+        print(f"Consolidated {B} masks into {len(final_masks)}")
+        return (torch.stack(final_masks, dim=0),)
+