Color grading nodes use proper color science — HSV-space adjustments, physically-based exposure in EV stops, Kelvin-accurate color temperature with luminance preservation, and tone-range isolation with Gaussian feathering. These are not simple RGB multipliers; the math is there to produce results that hold up under close inspection.

Live preview is built into the majority of nodes: sliders update in real time while the workflow is paused, letting you dial in values before committing. Apply or skip without re-running the full graph.

On the effects side, nodes are designed for granular control rather than one-knob shortcuts. Retro film simulation, lens optics, and stylistic filters each expose the individual parameters that actually matter — intensity curves, physical shape options, per-channel behavior, threshold ranges — so you can craft an exact look rather than accept a preset.

The same philosophy carries through to transforms, masks, latent utilities, and scheduling: sensible defaults, full range of options, no black boxes.

Installation

cd ComfyUI/custom_nodes/
git clone https://github.com/Scorpiosis0/ComfyUI-WtlNodes.git

Or download the ZIP and extract into ComfyUI/custom_nodes/.

Live Preview System

Most nodes support an apply_type dropdown that controls how the node interacts with the workflow:

| Mode | Behaviour | |---|---| | none | Pauses the workflow per image in the batch, shows a live RAM preview, and waits for Apply or Skip per image. Sliders update the preview in real time. | | auto_apply | Runs directly with the current widget values — no interactive pause, no preview loop. | | apply_all | Pauses once for the whole batch, shows a live preview, and waits for a single Apply or Skip decision that applies to all images. |

Node List

Color Adjustment

| Node | Description | |---|---| | Brightness | Multiplies pixel values. Range: −100 to 100. | | Contrast | Adjusts contrast around a 0.5 pivot point. Range: −100 to 100. | | Exposure | Adjusts exposure in stops (2^EV multiplication). Range: −10 to 10 EV. | | Saturation (HSV) | Adjusts color saturation in HSV space. Range: −100 to 100. | | Hue | Rotates hue in HSV space. Range: 0–360°. | | Temperature | Shifts color temperature in Kelvin using Tanner Helland's algorithm with luminance preservation. 1000 K = warm orange, 6500 K = neutral, 40000 K = cold blue. | | Highlight & Shadow | Independently brightens/darkens highlights and shadows with midpoint and feather radius controls. |

All color nodes support the Live Preview System via apply_type.

Depth of Field

| Node | Description | |---|---| | Camera Depth of Field | Full camera-simulation DOF with 8-level depth-graduated blur, physically shaped bokeh kernels (circle / hexagon / octagon), highlight bloom, and an in_focus_mask_fix dilation for edge cleanup. preview_mode switches the live preview between the blur mask, in-focus mask, or blurred image. Outputs image + four masks. |

Image Effects

All effects support live preview via apply_type.

| Node | Description | |---|---| | CRT TV Effect | Simulates a CRT monitor with a full 12-step effect chain: phosphor tint, defocus, phosphor dots, halation, bloom, scanlines (cos² periodic darkening), beam sweep (stylistic bright trace with per-column luma modulation), noise, barrel curvature, chromatic aberration, and vignette. Includes a grayscale toggle for clean phosphor tint looks. | | Film Grain | Adds realistic film grain. Controls: intensity, grain_size, and monochrome toggle. | | Chromatic Aberration | Shifts red and blue channels by pixel offset and scale. Supports center point and falloff for radial lens-like distortion. | | Film Artifacts | Adds retro film damage: scratches, dust, hair, light leaks, and vignette. All controlled by density and size sliders plus a seed. | | Image Filters | Stylistic filters: b&w, sepia, duotone, invert, cartoon, sketch, neon, high_contrast, emboss, infrared. Includes strength, edge_threshold, and neon-specific controls. | | Dither | Reduces color depth using dithering. Methods: none, bayer, arithmetic_add, blue_noise. Per-channel level controls and dither scale. | | ASCII Effect | Converts the image to ASCII art. Controls: character set, font, char size, spacing, RGB weights, background color, bold/italic toggles. |

Image Transform

| Node | Description | |---|---| | Image Resize | Resize by absolute dimensions or multiplier. Fit modes: crop, adjust, fit. Multiple interpolation methods and bg fill color. | | Image Rotation | Rotate by degrees (−360 to 360). Fit modes: crop, fit, adjust, none. | | Image Zoom | Zoom in/out with optional X/Y translation. | | Image Translation | Shift image horizontally/vertically by pixel offset. |

Mask

| Node | Description | |---|---| | Mask Processor | Dilate (positive) or erode (negative) a mask, then feather the edges with Gaussian blur. | | Mask Filter | Filter a batch of masks by pixel area. Keep masks above_x, below_x, or between_x_y a threshold. | | Mask Resize | Resize a mask with the same options as Image Resize. Includes enhanced_visibility (red background preview). | | Mask Rotation | Rotate a mask. Same options as Image Rotation. | | Mask Zoom | Zoom and translate a mask. | | Mask Translation | Shift a mask horizontally/vertically. | | RAM Preview Mask | Displays a mask in the node preview panel without saving to disk. Greyscale display, RAM-only. |

Latent

| Node | Description | |---|---| | Empty Latent (Advanced) | Creates an empty latent with aspect ratio presets (1:1, 3:2, 4:3, 5:3, 16:9, 16:10, 21:9, 32:9) and portrait/landscape toggle, or manual width/height. latent_compression slider (default 8) controls the spatial downscale factor — adjust for VAEs that differ from the standard 8× compression. Returns latent + latent dimensions + pixel dimensions. | | Latent Noise Injector | Injects procedural noise into a latent, scaled by the first sigma value. Noise types: Gaussian, White, Perlin, Simplex, Worley, Voronoi. Controls: noise_multiplier and scale (spatial frequency). | | Tiled Sampler (Custom Advanced) | Samples large latents in overlapping tiles to reduce VRAM usage. Seam blending via cosine-feathered masks with a dedicated seam-fix pass. Controls: tile factor, context size, seam flat width, seam feather, and seam fix sigma. Lives in sampling/custom_sampling. |

Sigma / Scheduler

| Node | Description | |---|---| | Dual Ease Cosine Scheduler | Custom sigma schedule with independent easing at the start (rho_start) and end (rho_end) of the curve. Works with any sampler that accepts SIGMAS. | | Sigma Visualizer | Renders a sigma schedule as a chart displayed in the node preview. No file is saved to disk. |

Preview / Compare

| Node | Description | |---|---| | RAM Preview Image | Previews images in the node without saving to disk. Useful for inspecting intermediate results in a workflow. | | RAM Image Compare | Side-by-side comparison with slide (drag divider) or click (toggle) modes. No disk I/O. | | Blind Comparer | Tournament bracket for comparing multiple images blindly. Connect any number of images; vote Left or Right each round until a winner is found. |

Logic

Simple utility nodes for connecting numeric and text values.

| Node | Description | |---|---| | Int | Outputs an integer constant. | | Float | Outputs a float constant. | | Text | Outputs a text string with multiline support. | | Add | Adds a value to the input. | | Subtract | Subtracts a value from the input. | | Multiply | Multiplies the input by a value. | | Divide | Divides the input by a value. Raises an error on division by zero. | | Square | Returns x² of the input. | | Square Root | Returns √x of the input. | | Text Append | Concatenates strings with an optional separator. Slots expand dynamically. | | Int ↔ Float | Casts between INT and FLOAT. |