diff --git a/api/onnx_web/diffusers/run.py b/api/onnx_web/diffusers/run.py
index 2710df9e..8ada7677 100644
--- a/api/onnx_web/diffusers/run.py
+++ b/api/onnx_web/diffusers/run.py
@@ -1,4 +1,5 @@
 from logging import getLogger
+from math import ceil
 from typing import Any, List, Optional
 
 from PIL import Image, ImageOps
@@ -221,6 +222,8 @@ def run_inpaint_pipeline(
     tile_order: str,
 ) -> None:
     logger.debug("building inpaint pipeline")
+    tile_size = params.tiles
+    full_res_inpaint = False
 
     if mask is None:
         # if no mask was provided, keep the full source image
@@ -240,6 +243,36 @@ def run_inpaint_pipeline(
         mask_filter=mask_filter,
     )
 
+    # check if we can do full-res inpainting if no outpainting is done
+    logger.debug("border zero: %s", border.isZero())
+    if border.isZero():
+        mask_left, mask_top, mask_right, mask_bottom = mask.getbbox()
+        logger.debug("mask bbox: %s", mask.getbbox())
+        mask_width = mask_right - mask_left
+        mask_height = mask_bottom - mask_top
+        # ensure we have some padding around the mask when we do the inpaint (and that the region size is even)
+        adj_mask_size = ceil(max(mask_width, mask_height) * 1.5 / 2) * 2
+        logger.debug("adjusted mask size %s", adj_mask_size)
+        if adj_mask_size <= tile_size:
+            full_res_inpaint = True
+            original_source = source
+            mask_center_x = int(round((mask_right + mask_left) / 2))
+            mask_center_y = int(round((mask_bottom + mask_top) / 2))
+            adj_mask_border = (
+                int(mask_center_x - adj_mask_size / 2),
+                int(mask_center_y - adj_mask_size / 2),
+                int(mask_center_x + adj_mask_size / 2),
+                int(mask_center_y + adj_mask_size / 2),
+            )
+            logger.debug("mask bounding box: %s", adj_mask_border)
+            source = source.crop(adj_mask_border)
+            source = ImageOps.contain(source, (tile_size, tile_size))
+            mask = mask.crop(adj_mask_border)
+            mask = ImageOps.contain(mask, (tile_size, tile_size))
+            if is_debug():
+                save_image(server, "adjusted-mask.png", mask)
+                save_image(server, "adjusted-source.png", source)
+
     if is_debug():
         save_image(server, "full-source.png", source)
         save_image(server, "full-mask.png", mask)
@@ -247,7 +280,7 @@ def run_inpaint_pipeline(
 
     # set up the chain pipeline and base stage
     chain = ChainPipeline()
-    stage = StageParams(tile_order=tile_order, tile_size=params.tiles)
+    stage = StageParams(tile_order=tile_order, tile_size=tile_size)
     chain.stage(
         UpscaleOutpaintStage(),
         stage,
@@ -292,6 +325,12 @@ def run_inpaint_pipeline(
 
     _pairs, loras, inversions, _rest = parse_prompt(params)
     for image, output in zip(images, outputs):
+        if full_res_inpaint:
+            if is_debug():
+                save_image(server, "adjusted-output.png", image)
+            mini_image = ImageOps.contain(image, (adj_mask_size, adj_mask_size))
+            image = original_source
+            image.paste(mini_image, box=adj_mask_border)
         dest = save_image(
             server,
             output,
diff --git a/api/onnx_web/params.py b/api/onnx_web/params.py
index 4a077fb8..06e038f1 100644
--- a/api/onnx_web/params.py
+++ b/api/onnx_web/params.py
@@ -43,6 +43,11 @@ class Border:
     def __str__(self) -> str:
         return "(%s, %s, %s, %s)" % (self.left, self.right, self.top, self.bottom)
 
+    def isZero(self) -> bool:
+        return all(
+            value == 0 for value in (self.left, self.right, self.top, self.bottom)
+        )
+
     def tojson(self):
         return {
             "left": self.left,