avif
What is a .avif file?
image/avif
AVIF is a raster image format that stores AV1-encoded still images inside an ISOBMFF container. It offers high compression efficiency with support for wide color gamut, HDR, alpha transparency, and animation. It is supported by most current browsers and delivers small files at high quality.
How to use a .avif file
Use an example AVIF to test modern decoder support, HDR and wide-gamut handling, and delivery pipelines that serve AVIF with fallbacks to WebP or JPEG.