AVIF Official Technical Specification Guide

AV1 Image File Format (AVIF)

AVIF is the cutting-edge open royalty-free image format based on AV1, providing the highest compression efficiency available today.

Overview & Technical Profile

AVIF is the cutting-edge open royalty-free image format based on AV1, providing the highest compression efficiency available today.

Standard / SpecificationAlliance for Open Media (AOMedia)
MIME Typeimage/avif
Compression SchemeBoth Lossy and Lossless (AV1 Video Codec)
Transparency SupportYes (Full alpha channel)
Animation CapabilityYes (AVIS animated sequences)
Color Depth8-bit, 10-bit, and 12-bit HDR Color
Typical File Size30 KB – 1.5 MB (50% smaller than JPG)
Global Browser Support>93% Global (Chrome 85+, Firefox 93+, Safari 16+)

History & Engineering Background

Standardized in 2019 by the Alliance for Open Media (Google, Apple, Microsoft, Mozilla, Amazon, Netflix), AVIF represents the pinnacle of next-gen photographic compression.

Best Use Cases

Ultra-efficient website imagery, high dynamic range (HDR) photography, wide-gamut displays, and next-generation mobile experiences.

When NOT to Use AVIF

Legacy desktop software, older operating systems, and budget mobile devices with limited hardware AV1 decoding capabilities.

Popular Conversion Workflows for AVIF

Easily transform AVIF files into compatible or more optimized formats right in your browser: