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High Efficiency Image File Format

HEIF is a new image file format employing HEVC (h.265) image coding for the best compression ratios currently possible. Newer iPhones use it for internal photo storage. It is supported on iOS 11 and macOS High Sierra and later.

Todo

  • Figure out how to create thumbnails from HEIF files with Go (ideally without using cgo / c++ libraries). HEIF support is currently implemented using heif-convert, which is an external tool.