Compress AVIF Images for WordPress

Optimizing images before uploading to WordPress dramatically improves page load speed, Core Web Vitals scores, and SEO rankings. WordPress 5.8+ natively supports WebP. Next-generation image format based on the AV1 video codec. Offers superior compression to both WebP and JPEG. Use ImageSmith to compress your AVIF images to the ideal file size for WordPress — target under 500KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.

Recommended format

WebP

Max file size

500KB

Dimensions

Max 1200px wide — WordPress generates thumbnails automatically

Target under 200KB per image for optimal page speed scores
Use WebP format — WordPress 5.8+ supports it natively
Regenerate thumbnails after bulk uploading pre-optimized images
Install a lazy-loading plugin to defer off-screen image loading

Compress AVIF for Other Platforms

Compress AVIF for WordPress — FAQ