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ImageIO
ImageIO is Apple's Framework that handles image parsing through its public API.
SUPPORTED IMAGE FORMATS
The supported image formats can be enumerated by reverse engineering the ImageIO library,
Some formats are only supported by macOS, while others are supported by both macOS and iOS.
There is also support for RAW images
| Format Name | Is Supported by iOS | Is Supported by macOS |
|---|---|---|
| AI | ✅ | ✅ |
| ASTC | ✅ | ✅ |
| ATX | ✅ | ✅ |
| AppleJPEG | ✅ | ✅ |
| BC | ✅ | ✅ |
| BMP | ✅ | ✅ |
| CUR | ✅ | ✅ |
| ETC | ✅ | ✅ |
| GIF | ✅ | ✅ |
| HEIF | ✅ | ✅ |
| ICNS | ✅ | ✅ |
| ICO | ✅ | ✅ |
| JP2 | ✅ | ✅ |
| KTX | ✅ | ✅ |
| KTX2 | ✅ | ✅ |
| LibJPEG | ✅ | ✅ |
| MPO | ✅ | ✅ |
| OpenEXR | ✅ | ✅ |
| PBM | ✅ | ✅ |
| ✅ | ✅ | |
| PNG | ✅ | ✅ |
| PICT | ❌ | ✅ |
| PSD | ✅ | ✅ |
| PVR | ✅ | ✅ |
| RAD | ✅ | ✅ |
| SGI | ❌ | ✅ |
| TGA | ✅ | ✅ |
| TIFF | ✅ | ✅ |
| WebP | ✅ | ✅ |
| Total Supported Formats: | 27 | 29 |
This summary was taken based on iOS 16.4 and macOS 13.3, supported formats may change in the future.
