icon-generator

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Generate web UI/UX icon assets (favicon.ico, apple-touch-icon, PWA icons incl. maskable) and optionally Unreal Engine packaging icons (Windows .ico, macOS .iconset/.icns, Linux .png) from a single source SVG/PNG; use when you need correct multi-size icon files, safe-area guidance, manifests/head tags, or automation.

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[Visual Content Workflows]

When & Why to Use This Skill

This Claude skill automates the complex process of generating comprehensive icon asset bundles for web and game development. It streamlines the conversion of a single SVG or PNG source into a full suite of production-ready icons, including multi-size favicons, Apple touch icons, and PWA-compliant maskable icons. By providing automated safe-area guidance, HTML head snippets, and manifest files, it ensures cross-platform visual consistency and technical compliance for both web UI/UX and Unreal Engine packaging.

Use Cases

  • Web Development: Automatically generating a complete set of favicons and PWA icons (192px, 512px, and maskable variants) to ensure a professional look across all browsers and mobile devices.
  • Game Publishing: Creating platform-specific icon sets for Unreal Engine projects, including Windows .ico, macOS .icns, and Linux .png files from a single high-resolution source.
  • PWA Optimization: Generating the necessary manifest.webmanifest configurations and maskable icons to meet modern Progressive Web App installation requirements.
  • UI/UX Quality Assurance: Using the built-in quality rules to verify that icons remain crisp at small scales (16px/24px) and adhere to safe-area padding standards for mobile interfaces.
nameicon-generator
descriptionGenerate web UI/UX icon assets (favicon.ico, apple-touch-icon, PWA icons incl. maskable) and optionally Unreal Engine packaging icons (Windows .ico, macOS .iconset/.icns, Linux .png) from a single source SVG/PNG; use when you need correct multi-size icon files, safe-area guidance, manifests/head tags, or automation.

Icon Generator

You generate icon asset bundles for web UI/UX first (favicons + PWA icons), and you can also generate Unreal Engine packaging icon assets when needed.

Fast workflow

  1. Pick target(s): Web UI/UX (favicon + PWA icons) and/or Unreal Engine packaging (optional).

  2. Pick the source icon: prefer a 1024x1024 PNG (square) or a clean SVG. If it's not square, choose whether to crop or pad (default: pad).

  3. Generate the assets using scripts/generate_icons.py.

Web/PWA sizes and safe-area rules: references/web-ui-ux.md

Unreal Engine formats and expectations: references/unreal-engine.md

Full size tables: references/icon-sizes.md

  1. Verify output quality: ensure the .ico contains multiple sizes, and the 16/24/32 px variants are crisp.

Quality rules (what "good" looks like)

  • Design for small sizes: avoid thin strokes, tiny text, and busy details.
  • Prefer transparent backgrounds for desktop icons unless you intentionally "plate" the icon.
  • Preview at 16px and 24px. If it becomes muddy, create a simpler variant.

Run and customize the script:

  • Script: scripts/generate_icons.py
  • It supports:
    • Web/PWA set: favicon.ico, apple-touch-icon.png, icon-192.png, icon-512.png, icon-maskable-512.png
    • UE sets (optional): Windows .ico, macOS .iconset, Linux .png

If you need HTML <head> snippets, manifest.webmanifest examples, and maskable safe-area guidance, read:

Notes

  • If your input is SVG and Python SVG rasterization is unavailable on your machine, export a 1024x1024 PNG first (e.g., Inkscape), then rerun the script using the PNG.
  • Keep this SKILL.md lean; detailed size tables live in the reference files.