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photo-processing - Deterministic non-destructive image and photo processing

Provides image editing capabilities including resizing, cropping, transparency creation, recoloring, and sprite sheet grid splitting.

Tags

Updated: 2026-09-20
image-processingphoto-editingsprite-sheeticon-assetsformat-conversion

Capabilities

Inspect image metadata and geometryResize and convert image formatsReplace contiguous color regionsRemove background colors by keying

Typical Inputs

Input image filesCLI arguments and geometry parameters

Typical Outputs

Processed image filesSprite grid JSON metadataCSS sprite stylesheets

What this skill does

  • Inspect image metadata and geometry
  • Resize and convert image formats
  • Replace contiguous color regions
  • Remove background colors by keying
  • Convert luminance into alpha transparency
  • Create single-color icon masks
  • Trim empty transparent edges
  • Split sprite sheet grids

Inputs

  • Input image files
  • CLI arguments and geometry parameters

Outputs

  • Processed image files
  • Sprite grid JSON metadata
  • CSS sprite stylesheets
  • Annotated preview images

Requirements

  • uv package manager
  • Python script environment with Pillow

Source

  • Spec: SKILL.md

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