Simple AVIF Support / WordPress Plugin

I’m a corporate photographer and editorial photographer I built this plugin because my own WordPress portfolio site needed razor-sharp images that load instantly—without paying a monthly fee to a cloud service or sacrificing control over quality. Most AVIF “solutions” I tried either locked key features behind a subscription or wouldn’t let me fine-tune compression and thumbnail handling. Simple AVIF Support solves that: it produces the absolute best-looking AVIF files directly on your server—even on modest shared hosting—no external API calls or cloud accounts required (just make sure your server is up-to-date and has ImageMagick or GD with AVIF support).

Simple AVIF Support brings next-generation image performance to WordPress in one click.
It converts your existing JPEG uploads to ultra-efficient AVIF files and automatically serves them to browsers that support the format—while falling back to JPEG everywhere else. No CDN tweaks, no templates to edit, no complex settings: install, activate, and enjoy faster pages.

Why you’ll love it

• End-to-end AVIF workflow
   – Converts every JPEG (or only the ones you choose) to AVIF with industry-leading compression.
   – Detects WordPress-generated thumbnails and rebuilds them from the full-resolution original for maximum sharpness.
• Pixel-perfect quality
   – Uses ImageMagick with LANCZOS resampling (preferred) or GD with libavif.
   – Preserves EXIF data and color profiles when you need them.
• Zero-friction delivery
   – Rewrites your HTML on the fly, replacing <img> tags with responsive <picture> markup that includes both AVIF and JPEG sources.
   – Fully compatible with WordPress srcset/sizes and any CDN or cache plugin.
• Set-and-forget background processing
   – Lightweight WP-Cron jobs convert one file at a time, so even budget hosting stays stable.
   – Progress is saved after every file and resumes automatically after time-outs or restarts.
• Built for real-world sites
   – Clean, intuitive admin screens with live system status and conversion stats.
   – Detailed logging for easy troubleshooting.
   – No vendor lock-in: GPL-licensed and follows WordPress coding standards.

Results you can expect

• Up to 50–80 % smaller images compared with JPEG—without visible quality loss.
• Faster Core Web Vitals (especially Largest Contentful Paint).
• Better SEO, happier users, and lower bandwidth bills.

Requirements

WordPress 6.8+, PHP 8.3+, and either ImageMagick with AVIF support (recommended) or GD with libavif.