- PNG format with full transparency support
- High-resolution input recommended (512px+)
- Square images produce optimal results
- Genuine Microsoft ICO file format
- 7 individual PNG files (16px to 256px)
- Professional ZIP package with documentation
- Maximum PNG input: 50MB per file
- Unlimited batch processing supported
- Optimized ZIP compression for web delivery
- 7 industry-standard icon sizes
- High-quality bicubic scaling algorithm
- 32-bit RGBA with full transparency preservation
Convert your PNG images to professional ICO files for Windows applications, websites, and cross-platform compatibility. Our advanced converter creates genuine Microsoft ICO files with multiple embedded sizes, ensuring perfect display across all devices and platforms. Each package includes optimized PNG alternatives for modern web development.