WebP has broader browser support than AVIF, especially on older devices. While AVIF offers slightly better compression, WebP is supported by more browsers and platforms. Converting AVIF to WebP maintains excellent quality while improving compatibility.
Both are lossy formats, so there may be minor quality changes during conversion. However, both are designed for excellent quality, and the difference is usually imperceptible. WebP's improved compatibility often outweighs any minimal quality trade-off.
AVIF typically provides 10-20% better compression than WebP, but WebP has much wider browser support. AVIF is newer and cutting-edge, while WebP is established and reliable. Choose AVIF for cutting-edge efficiency, WebP for broader compatibility.
WebP: All modern browsers including Chrome, Firefox, Edge, Safari (2020+). AVIF: Chrome, Firefox, Opera, but Safari support is newer. For maximum reach, WebP is the safer choice in 2024.
For best compatibility, use WebP for now. You can serve AVIF to browsers that support it with WebP as a fallback. As AVIF support improves over time, it may become the better default choice for its superior compression.