ICO
ICO Format
Windows Icon Format
ICO is the standard format for Windows application icons and browser favicons, supporting multiple resolutions in a single file.
| Property | Value |
|---|---|
| File Extension | .ico |
| MIME Type | image/x-icon |
| Category | image |
| Transparency | ✓ Supported |
| Animation | ✗ Not supported |
| Lossy Compression | ✗ No |
| Lossless Compression | ✓ Yes |
| Vector-based | ✗ No |
| Browser Support | All major browsers (for favicons) |
| Best For | Application icons, favicons, Windows desktop icons |