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Supported Files
HarpePluie edited this page Oct 8, 2026
·
1 revision
| Area | Supported |
|---|---|
| Phones | iPhone (grids of 48 tiles, rotation, spatial photos), Samsung (up to 200 MP), Xiaomi, Sony, and others |
| Container | grids, overlays (iovl), alpha planes, crop (clap), rotation (irot), mirror (imir), thumbnails, several images per file |
| HEVC profiles | Main, Main 10, Main Still Picture, intra Range Extensions |
| Bit depth / chroma | 8, 10 and 12 bit; 4:0:0, 4:2:0, 4:2:2, 4:4:4 |
| Colour | BT.601 / 709 / 2020, full and limited range |
| Metadata | EXIF, XMP, ICC profile |
| Feature | Status |
|---|---|
| HDR gain maps (iPhone HDR) | the base (SDR) image decodes; the gain map is not applied yet |
| ICC colour management | the profile is exposed but not applied |
| AVIF (AV1 inside HEIF) | out of scope for now |
| Image sequences / Live Photos video | not supported (needs inter prediction) |
| 16-bit extended precision | not supported |
| Encoding | planned, see Roadmap |
A file that decodes elsewhere but not with heifer is a bug: see Reporting Bugs.