Create icon assets for iOS and macOS projects using SF Symbols or Iconify API. Match existing colors and sizes, then generate PNG files at three resolutions with the metadata needed for Xcode asset catalogs.
Generate iOS app icons as PNG imagesets for Xcode asset catalogs from SF Symbols (5000+ Apple-native) or Iconify API (275k+ open source icons from 200+ collections). Use when generating icons, creating icon assets, adding icons to asset catalog, or searching for icons for iOS projects.
Review the instructions the agent will receive before you install.
Generate PNG icon imagesets for Xcode asset catalogs from two sources.
Both sources produce identical Xcode-compatible imagesets. Choose based on need:
| Source | Icons | Requires | Best for |
|---|---|---|---|
| Iconify API | 275,000+ from 200+ collections | Internet | Wide selection, specific styles, open source icons |
| SF Symbols | 5,000+ Apple symbols | macOS only | Apple-native style, offline use |
Before generating, check the project's existing icons for size, color, and weight consistency.
Both methods produce a complete Xcode imageset:
<output-dir>/<asset-name>.imageset/
Contents.json
<asset-name>.png # 1x (68px default)
<asset-name>@2x.png # 2x (136px default)
<asset-name>@3x.png # 3x (204px default)
Determine icon needs: what the icon represents, preferred style, target color, and size.
If the project already has icons, check existing style:
# Check dimensions of existing icon
sips -g pixelWidth -g pixelHeight path/to/existing@2x.png
Iconify API (recommended for wide selection):
# Search all collections
$SKILL_DIR/scripts/iconify_gen.sh search "receipt"
# Search within a specific collection
$SKILL_DIR/scripts/iconify_gen.sh search "business card" --prefix mdi
# List available collections
$SKILL_DIR/scripts/iconify_gen.sh collections
SF Symbols (for Apple-native style): Browse the SF Symbols app or reference common names:
| Use Case | Symbol Name |
|---|---|
| Document | doc.text, doc.fill |
| Receipt | doc.text.below.ecg, receipt |
| Person | person.crop.rectangle, person.text.rectangle |
| Camera | camera, camera.fill |
| Scan | doc.viewfinder, qrcode.viewfinder |
| Settings | gearshape, slider.horizontal.3 |
# Iconify preview
$SKILL_DIR/scripts/iconify_gen.sh preview mdi:receipt-text-outline
Iconify API:
# Basic generation
$SKILL_DIR/scripts/iconify_gen.sh mdi:receipt-text-outline editTool_expenseReport
# Custom color and output location
$SKILL_DIR/scripts/iconify_gen.sh mdi:receipt-text-outline myIcon --color 007AFF --output ./Assets.xcassets/icons
Options: --size <pt> (default: 68), --color <hex> (default: 8E8E93), --output <dir> (default: /tmp/icons)
SF Symbols:
# Basic generation
swift $SKILL_DIR/scripts/generate_icons.swift doc.text.below.ecg editTool_expenseReport
# Custom color, weight, and output
swift $SKILL_DIR/scripts/generate_icons.swift person.crop.rectangle myIcon --color 007AFF --weight regular --output ./Assets.xcassets/icons
Options: --size <pt> (default: 68), --color <hex> (default: 8E8E93), --weight <name> (default: thin), --output <dir> (default: /tmp/icons)
cp -r /tmp/icons/<name>.imageset path/to/Assets.xcassets/<group>/
| Prefix | Name | Count | Style |
|---|---|---|---|
mdi | Material Design Icons | 7400+ | Filled + outline variants |
ph | Phosphor | 9000+ | 6 weights per icon |
solar | Solar | 7400+ | Bold, linear, outline |
tabler | Tabler Icons | 6000+ | Consistent stroke width |
lucide | Lucide | 1700+ | Clean, minimal |
ri | Remix Icon | 3100+ | Filled + line variants |
carbon | Carbon | 2400+ | IBM design language |
heroicons | HeroIcons | 1200+ | Tailwind CSS companion |
Browse all: https://icon-sets.iconify.design/
| Script | Source | Path |
|---|---|---|
iconify_gen.sh | Iconify API (275k+ icons) | $SKILL_DIR/scripts/iconify_gen.sh |
generate_icons.swift | SF Symbols (5k+ icons) | $SKILL_DIR/scripts/generate_icons.swift |
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