Convert PNG to ICO — Create Multi-Resolution Favicons & App Icons
Package PNG logos into official Windows favicon.ico containers. Generate 16x16, 32x32, 48x48, and 256x256 icon layers for browser tabs and desktop shortcuts.
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Drag & Drop Images or Videos Here
Upload up to 10 files in bulk. Supports PNG, JPG, WebP, GIF, BMP, ICO, SVG, MP4, and WebM.
⚖️ Technical Format Comparison: PNG vs ICO
Detailed side-by-side analysis of compression algorithms, color depth, transparency, and file size impact
| Technical Specification | PNG (Source) | ICO (Target) |
|---|---|---|
| Full Format Name | Portable Network Graphics | Windows Icon File Container |
| MIME Type | image/png | image/x-icon |
| Compression Method | Lossless (DEFLATE / LZ77 + Huffman) | Embedded Multi-Resolution PNG / BMP bitstreams |
| Color Space & Bit Depth | 24-bit RGB + 8-bit Alpha (TrueColor 16.7M + 256 Alpha Levels) | 32-bit (24-bit RGB + 8-bit Alpha Channel) |
| Alpha Transparency | Yes (Full 8-bit Alpha Channel Transparency) | Yes (Full transparency preserved in modern 32-bit ICO) |
| Animation Support | No (APNG supported in niche apps) | No (Static multi-resolution container) |
| Typical File Size | Medium to Large (preserves exact pixel perfection) | Small (Stores 16x16, 32x32, 48x48 icon pixel layers) |
| Ideal Applications | Transparent logos, UI icons, screenshots, digital artwork, graphic overlays | Website browser tab favicons, Windows desktop application shortcuts |
💡 Conversion Impact Summary:
Encapsulates PNG raster pixels into a multi-resolution 32-bit ICO icon container while preserving alpha transparency.