image Format
HEIC File Format
High Efficiency Image Container is Apple’s default mobile photo format based on HEVC compression. It stores high-resolution photos at roughly half the file size of traditional JPEGs.
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Technical Specifications
| Extensions | .heic, .heif |
| MIME Types | image/heic, image/heif |
| Category | Image |
| Engine Tier | tier1-small-js |
| Magic Bytes / Sniffing | 0x00 0x00 0x00 |
| Opens With | Apple Photos, iOS, macOS Preview, Windows with HEIF codec |
| Good For | Mobile camera capture and live photo burst sequences. |
| Not Recommended For | Cross-platform web publishing without conversion to JPG or WebP. |