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Tool nodes perform deterministic image operations that don’t require AI processing. They’re fast, predictable, and use no credits.

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Available Tools

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Crop Tool

Crops images to specified dimensions or aspect ratios. Parameters:
  • Aspect Ratio: Choose from presets (1:1, 16:9, 4:3, 9:16) or custom
  • Crop Region: Manually define the crop area
  • Center Crop: Automatically center the crop region
Usage: 
[Image Input] ──> [Crop Tool] ──> [Export]
                      │
            ┌─────────┴─────────┐
            │ Aspect Ratio: 1:1 │
            │ Center: true      │
            └───────────────────┘
Use cases:
  • Prepare images for social media (specific aspect ratios)
  • Remove unwanted edges
  • Focus on specific subjects

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Resize Tool

Resizes images to target dimensions. Parameters:
  • Width: Target width in pixels or percentage
  • Height: Target height in pixels or percentage
  • Maintain Aspect Ratio: Preserve original proportions
  • Fit Mode: Cover, contain, or stretch
Usage: 
[Image] ──> [Resize Tool] ──> [Export]
                 │
       ┌─────────┴─────────┐
       │ Width: 1920       │
       │ Height: 1080      │
       │ Maintain: true    │
       └───────────────────┘
Use cases:
  • Standardize output dimensions
  • Create thumbnails
  • Optimize for web delivery

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Blur Tool

Applies blur effects to images. Parameters:
  • Blur Radius: Intensity of the blur (1-100)
  • Blur Type: Gaussian, box, or motion blur
Usage: 
[Image] ──> [Blur Tool] ──> [Export]
                │
       ┌────────┴────────┐
       │ Radius: 10      │
       │ Type: gaussian  │
       └─────────────────┘
Use cases:
  • Create background effects
  • Privacy masking (faces, text)
  • Artistic softening

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Filters Node

Applies color and tone adjustments. Parameters:
  • Brightness: -100 to +100
  • Contrast: -100 to +100
  • Saturation: -100 to +100
  • Hue: 0 to 360 degrees rotation
  • Temperature: Cool to warm adjustment
Usage: 
[Image] ──> [Filters] ──> [Export]
                │
     ┌──────────┴──────────┐
     │ Brightness: +20     │
     │ Contrast: +10       │
     │ Saturation: -15     │
     └─────────────────────┘
Use cases:
  • Color correction
  • Style matching
  • Mood adjustment

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Levels Node

Advanced tonal adjustments using input/output levels. Parameters:
  • Input Black Point: Shadows threshold (0-255)
  • Input White Point: Highlights threshold (0-255)
  • Output Black Point: Shadow output level
  • Output White Point: Highlight output level
  • Gamma: Midtone adjustment (0.1-10)
Usage: 
[Image] ──> [Levels] ──> [Export]
               │
     ┌─────────┴─────────┐
     │ Input Black: 20   │
     │ Input White: 240  │
     │ Gamma: 1.2        │
     └───────────────────┘
Use cases:
  • Contrast enhancement
  • Dynamic range adjustment
  • Highlight/shadow recovery

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Invert Tool

Inverts all colors in an image (creates a negative). Usage: 
[Image] ──> [Invert Tool] ──> [Export]
Use cases:
  • Create negative effects
  • Invert masks
  • Artistic transformation

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Compositor Node

Combines multiple images into a single output with layers. Parameters:
  • Layer Order: Stack order of images
  • Blend Mode: Normal, multiply, screen, overlay, etc.
  • Position: X/Y coordinates for each layer
  • Scale: Size adjustment per layer
  • Opacity: Transparency per layer
Usage: 
[Background Image] ──┐
                     ├──> [Compositor] ──> [Export]
[Foreground Image] ──┘
                         │
              ┌──────────┴──────────┐
              │ Layer 1: Background │
              │ Layer 2: Foreground │
              │ Blend: Normal       │
              │ Opacity: 80%        │
              └─────────────────────┘
Use cases:
  • Watermarking
  • Overlays and collages
  • Combining AI outputs

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Export Node

Saves workflow outputs to storage. Required for generating downloadable files. Parameters:
  • Format: PNG, JPEG, or WebP
  • Quality: 1-100 (for lossy formats)
  • Filename Pattern: Template for output names
Features:
  • Triggers workflow execution when run
  • Generates downloadable URLs
  • Required for webhook outputs
Usage: 
[Any Image Source] ──> [Export]
                          │
               ┌──────────┴──────────┐
               │ Format: PNG         │
               │ Quality: 95         │
               └─────────────────────┘

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Chaining Tools

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Sequential Processing

Apply multiple transformations in sequence: 
[Image] ──> [Crop] ──> [Resize] ──> [Filters] ──> [Export]
Each tool processes the output of the previous one.

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Parallel Processing

Create multiple versions: 
             ┌──> [Resize 1080p] ──> [Export HD]
[Image] ────>│
             └──> [Resize 720p] ──> [Export SD]

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Combining AI + Tools

Post-process AI outputs: 
[Text] ──> [AI Model] ──> [Crop] ──> [Resize] ──> [Export]
Or pre-process inputs: 
[Image] ──> [Resize] ──> [Crop] ──> [AI Model] ──> [Export]

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Tool vs AI Processing

AspectTool NodesAI Models
SpeedInstantSeconds to minutes
CostFree (no credits)Uses credits
ResultsDeterministicVariable
OperationsGeometric/color transformsContent generation/analysis
Use tool nodes for operations that don’t require understanding image content. Use AI for content-aware tasks like upscaling, style transfer, or generation.

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Best Practices

Resize before AI processing - Reducing input size speeds up AI models and saves credits.
Crop after generation - Generate at full size, then crop to final dimensions.
Use live preview - Tool nodes show real-time previews as you adjust parameters.
Order matters - The sequence of tool operations affects the final result. Experiment with different orders.