Inspect AVIF image dimensions, HDR support, alpha transparency, compression ratio, and browser compatibility.
High Dynamic Range support enables wider color gamuts and better contrast. AVIF can store HDR content using PQ or HLG transfer functions.
Alpha channel support allows transparent backgrounds with excellent compression, making AVIF ideal for logos, icons, and overlays.
AVIF supports animated sequences like GIF and WebP, but with significantly better compression and quality.
Always include WebP or JPEG fallbacks using the <picture> element for browsers without AVIF support.
AVIF achieves great quality at lower settings. Test quality levels between 50-80 for best size/quality balance.
Use HDR only when targeting HDR-capable displays. SDR images work universally and encode faster.
While AVIF has great compression, large images can still be heavy. Keep web images under 200KB when possible.
Pro tip: Use the AVIF Compressor to reduce file size while maintaining quality.
AVIF (AV1 Image File Format) is a next-generation image format based on the AV1 video codec. It offers superior compression compared to JPEG and WebP, supports HDR, wide color gamut, alpha transparency, and animation.
The quality score (0-100) evaluates your AVIF based on resolution, compression efficiency, and feature utilization. Higher scores indicate better use of AVIF capabilities including HDR, alpha channels, and optimal compression.
AVIF generally provides 20-30% better compression than WebP at equivalent quality. It also supports HDR and has better handling of fine details and gradients. However, WebP has wider browser support and faster encoding.
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