HEIC to ICNS

Convert iPhone and iPad HEIC photos into professional macOS ICNS icon files. Perfect for app icons, Finder icons, and custom folder icons on Mac.

Drop your HEIC image here

or click to browse files

Supports HEIC and HEIF (iPhone/iPad photos) up to 10MB
Related Tools:
HEIC to ICO HEIC to PNG PNG to ICNS ICO to ICNS

How to Convert HEIC to ICNS

  1. Upload your HEIC or HEIF image from your iPhone, iPad, or Mac.
  2. Choose a size preset: Standard Mac, Retina, App Icon, or All Sizes.
  3. Configure macOS options like Big Sur rounded corners and padding.
  4. Select a color profile - sRGB is most compatible, P3 for newer Macs.
  5. Click "Convert to ICNS" to generate your Mac icon.
  6. Download and use in Xcode, custom folders, or app development.

About ICNS Format

Apple's Icon Format

ICNS is the native icon format for macOS. It contains multiple sizes in a single file, allowing macOS to choose the best size for each context.

Multi-Resolution

ICNS files bundle icons from 16×16 up to 1024×1024, supporting both standard and Retina displays automatically.

App Development

Required for macOS app submissions to the App Store. Xcode uses ICNS files for app icons.

Custom Folders

Use ICNS files to customize folder icons in Finder. Simply copy the icon and paste it onto any folder.

ICNS Size Guide

16×16

Smallest size, used in Finder list view and window title bars.

32×32

Finder column view, preference panes, and small dock icons.

128×128

Standard Finder icon view. Most commonly seen size.

256×256

Cover Flow view and larger Finder displays.

512×512

Full-size Quick Look previews and maximum non-Retina quality.

1024×1024

Retina displays (@2x). Required for crisp icons on modern Macs.

Frequently Asked Questions

ICNS is Apple's icon format for macOS, while ICO is Microsoft's format for Windows. ICNS supports larger sizes (up to 1024px) and is required for Mac apps. Use HEIC to ICO if you need Windows icons.

HEIC files from iPhones and iPads are high-quality and often feature great subjects for custom icons. Converting them to ICNS lets you use personal photos as app icons, folder icons, or profile images on your Mac.

For app development, include all sizes (16, 32, 128, 256, 512, 1024). For personal use, the "Standard Mac" preset (16, 32, 128, 256, 512) is sufficient. Add 1024×1024 for Retina display support.

Open the ICNS file in Preview, press Cmd+A to select all, then Cmd+C to copy. Right-click any folder or app, choose "Get Info", click the icon at the top left, and press Cmd+V to paste your custom icon.