ICNS Converter

Convert your images to ICNS format with multiple resolutions for macOS apps

Upload any image (PNG, JPG, WEBP, SVG, or GIF) and convert it to ICNS format with your choice of resolutions. Generate 16x16, 32x32, 64x64, 128x128, 256x256, 512x512, and 1024x1024 pixel sizes for macOS apps, application icons, and Dock icons — all processed securely in your browser.

Multiple Sizes

Select any combination of 7 different icon sizes from 16×16 to 1024×1024 pixels.

Multiple Formats

Convert from PNG, JPG, WEBP, SVG, or GIF into a single ICNS file with all selected sizes.

100% Browser-Based

All conversion happens entirely in your browser with no server uploads or external dependencies.