diff --git a/backend/src/api.py b/backend/src/api.py
index 3429784a9..b88a2fbc4 100644
--- a/backend/src/api.py
+++ b/backend/src/api.py
@@ -127,10 +127,21 @@ def register(
         decorators: List[Callable] | None = None,
         see_also: List[str] | str | None = None,
         features: List[FeatureId] | FeatureId | None = None,
+        limited_to_8bpc: bool | str = False,
     ):
         if not isinstance(description, str):
             description = "\n\n".join(description)
 
+        if limited_to_8bpc:
+            description += "\n\n#### Limited color depth\n\n"
+            if isinstance(limited_to_8bpc, str):
+                description += f" {limited_to_8bpc}"
+            else:
+                description += (
+                    "This node will internally convert input images to 8 bits/channel."
+                    " This is generally only a problem if you intend to save the output with 16 bits/channel or higher."
+                )
+
         def to_list(x: List[S] | S | None) -> List[S]:
             if x is None:
                 return []
diff --git a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/image_to_image.py b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/image_to_image.py
index f3e1a5928..9870b73f1 100644
--- a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/image_to_image.py
+++ b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/image_to_image.py
@@ -100,6 +100,7 @@ def nearest_valid(n: number) = floor(n / 8) * 8;
     ],
     decorators=[cached],
     features=web_ui,
+    limited_to_8bpc=True,
 )
 def image_to_image_node(
     image: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/inpaint.py b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/inpaint.py
index d2a72d387..330ad896a 100644
--- a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/inpaint.py
+++ b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/inpaint.py
@@ -129,6 +129,7 @@ def nearest_valid(n: number) = floor(n / 8) * 8;
     ],
     decorators=[cached],
     features=web_ui,
+    limited_to_8bpc=True,
 )
 def inpaint_node(
     image: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/outpaint.py b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/outpaint.py
index 9258d1af6..03c739731 100644
--- a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/outpaint.py
+++ b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/outpaint.py
@@ -159,6 +159,7 @@ def nearest_valid(n: number) = ceil(n / 64) * 64;
     ],
     decorators=[cached],
     features=web_ui,
+    limited_to_8bpc=True,
 )
 def outpaint_node(
     image: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/upscale.py b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/upscale.py
index e80e75fde..d2e54f464 100644
--- a/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/upscale.py
+++ b/backend/src/packages/chaiNNer_external/external_stable_diffusion/automatic1111/upscale.py
@@ -127,6 +127,7 @@ def nearest_valid(n: number) = max(1, floor(n));
     ],
     decorators=[cached],
     features=web_ui,
+    limited_to_8bpc=True,
 )
 def upscale_node(
     image: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_ncnn/ncnn/processing/upscale_image.py b/backend/src/packages/chaiNNer_ncnn/ncnn/processing/upscale_image.py
index a171c525f..8703b68c0 100644
--- a/backend/src/packages/chaiNNer_ncnn/ncnn/processing/upscale_image.py
+++ b/backend/src/packages/chaiNNer_ncnn/ncnn/processing/upscale_image.py
@@ -142,6 +142,7 @@ def estimate_cpu():
     outputs=[
         ImageOutput(image_type="""convenientUpscale(Input0, Input1)"""),
     ],
+    limited_to_8bpc=True,
 )
 def upscale_image_node(
     img: np.ndarray, model: NcnnModelWrapper, tile_size: TileSize
diff --git a/backend/src/packages/chaiNNer_onnx/onnx/processing/remove_background.py b/backend/src/packages/chaiNNer_onnx/onnx/processing/remove_background.py
index 9380a0a72..3cb4bf541 100644
--- a/backend/src/packages/chaiNNer_onnx/onnx/processing/remove_background.py
+++ b/backend/src/packages/chaiNNer_onnx/onnx/processing/remove_background.py
@@ -42,6 +42,7 @@
         ),
         ImageOutput("Mask", image_type=navi.Image(size_as="Input0"), channels=1),
     ],
+    limited_to_8bpc=True,
 )
 def remove_background_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_pytorch/pytorch/restoration/upscale_face.py b/backend/src/packages/chaiNNer_pytorch/pytorch/restoration/upscale_face.py
index dc5a14f0e..9c8a698d2 100644
--- a/backend/src/packages/chaiNNer_pytorch/pytorch/restoration/upscale_face.py
+++ b/backend/src/packages/chaiNNer_pytorch/pytorch/restoration/upscale_face.py
@@ -146,6 +146,7 @@ def upscale(
             channels=3,
         )
     ],
+    limited_to_8bpc=True,
 )
 def upscale_face_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image/batch_processing/video_frame_iterator.py b/backend/src/packages/chaiNNer_standard/image/batch_processing/video_frame_iterator.py
index eeb2817cb..6cfea036d 100644
--- a/backend/src/packages/chaiNNer_standard/image/batch_processing/video_frame_iterator.py
+++ b/backend/src/packages/chaiNNer_standard/image/batch_processing/video_frame_iterator.py
@@ -197,6 +197,7 @@ def iterator_helper_write_output_frame_node(
         },
     ],
     side_effects=True,
+    limited_to_8bpc="The video will be read and written as 8-bit RGB.",
 )
 async def video_frame_iterator_node(path: str, context: IteratorContext) -> None:
     logger.debug(f"{ffmpeg_path=}, {ffprobe_path=}")
diff --git a/backend/src/packages/chaiNNer_standard/image/io/save_image.py b/backend/src/packages/chaiNNer_standard/image/io/save_image.py
index 614f8d472..2ae2f3b21 100644
--- a/backend/src/packages/chaiNNer_standard/image/io/save_image.py
+++ b/backend/src/packages/chaiNNer_standard/image/io/save_image.py
@@ -199,6 +199,7 @@ class TiffColorDepth(Enum):
     ],
     outputs=[],
     side_effects=True,
+    limited_to_8bpc="Image will be saved with 8 bits/channel by default. Some formats support higher bit depths.",
 )
 def save_image_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image/io/view_image_external.py b/backend/src/packages/chaiNNer_standard/image/io/view_image_external.py
index 76ca82dc7..a2ee34200 100644
--- a/backend/src/packages/chaiNNer_standard/image/io/view_image_external.py
+++ b/backend/src/packages/chaiNNer_standard/image/io/view_image_external.py
@@ -27,6 +27,7 @@
     inputs=[ImageInput()],
     outputs=[],
     side_effects=True,
+    limited_to_8bpc="The temporary file is an 8-bit PNG.",
 )
 def view_image_external_node(img: np.ndarray) -> None:
     tempdir = mkdtemp(prefix="chaiNNer-")
diff --git a/backend/src/packages/chaiNNer_standard/image_adjustment/adjustments/threshold_adaptive.py b/backend/src/packages/chaiNNer_standard/image_adjustment/adjustments/threshold_adaptive.py
index 8e35e8d58..1321aae51 100644
--- a/backend/src/packages/chaiNNer_standard/image_adjustment/adjustments/threshold_adaptive.py
+++ b/backend/src/packages/chaiNNer_standard/image_adjustment/adjustments/threshold_adaptive.py
@@ -36,6 +36,7 @@
         NumberInput("Mean Subtraction"),
     ],
     outputs=[ImageOutput(image_type="Input0")],
+    limited_to_8bpc=True,
 )
 def threshold_adaptive_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_factor.py b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_factor.py
index e738f9fe2..b1818008d 100644
--- a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_factor.py
+++ b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_factor.py
@@ -41,6 +41,7 @@
             assume_normalized=True,
         )
     ],
+    limited_to_8bpc=True,
 )
 def resize_factor_node(
     img: np.ndarray, scale: float, interpolation: InterpolationMethod
diff --git a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_resolution.py b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_resolution.py
index 61d954a79..5e9b75be5 100644
--- a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_resolution.py
+++ b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_resolution.py
@@ -35,6 +35,7 @@
             assume_normalized=True,
         )
     ],
+    limited_to_8bpc=True,
 )
 def resize_resolution_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_to_side.py b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_to_side.py
index 738cb4c00..6d1172879 100644
--- a/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_to_side.py
+++ b/backend/src/packages/chaiNNer_standard/image_dimension/resize/resize_to_side.py
@@ -167,6 +167,7 @@ def compareCondition(b: uint): bool {
             assume_normalized=True,
         )
     ],
+    limited_to_8bpc=True,
 )
 def resize_to_side_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_filter/blur/median_blur.py b/backend/src/packages/chaiNNer_standard/image_filter/blur/median_blur.py
index be0584642..4b28a31d8 100644
--- a/backend/src/packages/chaiNNer_standard/image_filter/blur/median_blur.py
+++ b/backend/src/packages/chaiNNer_standard/image_filter/blur/median_blur.py
@@ -20,6 +20,7 @@
         SliderInput("Radius", minimum=0, maximum=1000, default=1, scale="log"),
     ],
     outputs=[ImageOutput(image_type="Input0")],
+    limited_to_8bpc=True,
 )
 def median_blur_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_filter/correction/average_color_fix.py b/backend/src/packages/chaiNNer_standard/image_filter/correction/average_color_fix.py
index 434e924e7..98ee20fe4 100644
--- a/backend/src/packages/chaiNNer_standard/image_filter/correction/average_color_fix.py
+++ b/backend/src/packages/chaiNNer_standard/image_filter/correction/average_color_fix.py
@@ -34,6 +34,7 @@
         ),
     ],
     outputs=[ImageOutput(image_type="Input0")],
+    limited_to_8bpc=True,
 )
 def average_color_fix_node(
     input_img: np.ndarray, ref_img: np.ndarray, scale_factor: float
diff --git a/backend/src/packages/chaiNNer_standard/image_filter/noise/fast_nl_means.py b/backend/src/packages/chaiNNer_standard/image_filter/noise/fast_nl_means.py
index 16e9b6458..8650d844a 100644
--- a/backend/src/packages/chaiNNer_standard/image_filter/noise/fast_nl_means.py
+++ b/backend/src/packages/chaiNNer_standard/image_filter/noise/fast_nl_means.py
@@ -43,6 +43,7 @@
         NumberInput("Search radius", minimum=1, default=10, maximum=30, precision=0),
     ],
     outputs=[ImageOutput(image_type="Input0")],
+    limited_to_8bpc=True,
 )
 def fast_nl_means_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_utility/compositing/add_caption.py b/backend/src/packages/chaiNNer_standard/image_utility/compositing/add_caption.py
index 0abb2dee8..7af16eef8 100644
--- a/backend/src/packages/chaiNNer_standard/image_utility/compositing/add_caption.py
+++ b/backend/src/packages/chaiNNer_standard/image_utility/compositing/add_caption.py
@@ -34,6 +34,7 @@
             assume_normalized=True,
         )
     ],
+    limited_to_8bpc=True,
 )
 def add_caption_node(
     img: np.ndarray, caption: str, size: int, position: CaptionPosition
diff --git a/backend/src/packages/chaiNNer_standard/image_utility/miscellaneous/inpaint.py b/backend/src/packages/chaiNNer_standard/image_utility/miscellaneous/inpaint.py
index a927e7f33..25fd1c627 100644
--- a/backend/src/packages/chaiNNer_standard/image_utility/miscellaneous/inpaint.py
+++ b/backend/src/packages/chaiNNer_standard/image_utility/miscellaneous/inpaint.py
@@ -57,6 +57,7 @@ class InpaintAlgorithm(Enum):
             )
         ).with_never_reason("The given image and mask must have the same resolution.")
     ],
+    limited_to_8bpc=True,
 )
 def inpaint_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/image_utility/modification/rotate.py b/backend/src/packages/chaiNNer_standard/image_utility/modification/rotate.py
index 5af8a2357..a98787d5b 100644
--- a/backend/src/packages/chaiNNer_standard/image_utility/modification/rotate.py
+++ b/backend/src/packages/chaiNNer_standard/image_utility/modification/rotate.py
@@ -120,6 +120,7 @@ def transform(x: number, y: number) {
             assume_normalized=True,
         )
     ],
+    limited_to_8bpc=True,
 )
 def rotate_node(
     img: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/material_textures/conversion/metal_to_specular.py b/backend/src/packages/chaiNNer_standard/material_textures/conversion/metal_to_specular.py
index 9c73e4de1..4ad35797a 100644
--- a/backend/src/packages/chaiNNer_standard/material_textures/conversion/metal_to_specular.py
+++ b/backend/src/packages/chaiNNer_standard/material_textures/conversion/metal_to_specular.py
@@ -81,6 +81,7 @@ def metal_to_spec(
             channels=1,
         ),
     ],
+    limited_to_8bpc=True,
 )
 def metal_to_specular_node(
     albedo: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/material_textures/conversion/specular_to_metal.py b/backend/src/packages/chaiNNer_standard/material_textures/conversion/specular_to_metal.py
index 5a6a34fea..a52e091d3 100644
--- a/backend/src/packages/chaiNNer_standard/material_textures/conversion/specular_to_metal.py
+++ b/backend/src/packages/chaiNNer_standard/material_textures/conversion/specular_to_metal.py
@@ -109,6 +109,7 @@ def spec_to_metal(
             channels=1,
         ),
     ],
+    limited_to_8bpc=True,
 )
 def specular_to_metal_node(
     diff: np.ndarray,
diff --git a/backend/src/packages/chaiNNer_standard/utility/clipboard/copy_to_clipboard.py b/backend/src/packages/chaiNNer_standard/utility/clipboard/copy_to_clipboard.py
index 293c2a2cb..c4d103d51 100644
--- a/backend/src/packages/chaiNNer_standard/utility/clipboard/copy_to_clipboard.py
+++ b/backend/src/packages/chaiNNer_standard/utility/clipboard/copy_to_clipboard.py
@@ -18,6 +18,7 @@
     ],
     outputs=[],
     side_effects=True,
+    limited_to_8bpc="The image will be copied to clipboard with 8 bits/channel.",
 )
 def copy_to_clipboard_node(value: str | np.ndarray) -> None:
     if isinstance(value, np.ndarray):