heif
What is a .heif file?
image/heif
HEIF (High Efficiency Image Format) is an ISOBMFF-based container for storing images and image sequences, most often with HEVC-encoded content. It supports high bit depth, transparency, thumbnails, and multi-image collections. HEIC is its most common concrete variant.
How to use a .heif file
Use an example HEIF to test container parsing, extraction of primary images and thumbnails, and transcoding to widely supported formats.