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Last updated: 03/09/2026

AVIF Conversion

Adds smaller AVIF copies for JPEG and PNG uploads so pages can load faster. Optional setting to show those images to modern browsers. Do not use together with WebP Conversion.

Overview

AVIF Conversion helps WordPress sites create smaller AVIF versions of newly uploaded JPEG and PNG images without requiring a separate image-optimization plugin. By default, WP PowerSuite keeps the original attachment intact, creates AVIF sidecars for the original and generated image sizes, and can serve those files through responsive <picture> markup when a browser supports AVIF.

For sites that prefer a more aggressive workflow, the module can replace the attachment itself with AVIF and optionally keep the original JPEG or PNG in an originals folder for later restoration. Encoding can use Imagick, GD, or an explicitly configured external encoder when supported by the server, while larger uploads can be deferred to a one-shot cron job instead of holding up the upload request.

AVIF Conversion is a Pro module in WP PowerSuite.

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Who is this for?
  • Performance-focused WordPress sites that want smaller modern image files
  • Agencies standardizing AVIF delivery across client websites
  • Publishers and blogs with image-heavy articles
  • WooCommerce and catalog sites uploading large JPEG and PNG product images
  • Developers who want AVIF sidecars without building their own picture-tag delivery layer

Features

Automatic AVIF on New Uploads
Create AVIF versions of eligible JPEG and PNG uploads automatically, with larger files deferred when necessary.
Sidecar or Replace Mode
Keep the original attachment and serve AVIF as a sidecar, or make AVIF the attachment file itself.
Responsive Delivery
Wrap supported WordPress images with an AVIF source so compatible browsers can use the modern format.
Multiple Encoding Engines
Use Imagick first, GD when available, or an explicitly enabled external AVIF encoder on supported servers.
Quality & Compression Presets
Choose Balanced, Maximum Compression, Maximum Quality, or a custom quality and encoding speed.
Generated-Size AVIF Support
In sidecar mode, create AVIF equivalents for WordPress-generated image sizes as well as the full image.
Large-File Background Processing
Defer larger new uploads to a one-shot cron task instead of forcing the complete conversion during the upload request.
Restore Original Images
Remove AVIF sidecars or restore backed-up JPEG/PNG originals in controlled batches when recovery files are available.
Conversion Statistics
Review converted-image counts and estimated bytes saved across the Media Library.

Convert New WordPress Images to AVIF Automatically

Serve AVIF Without Rewriting Your Content

When sidecar delivery is enabled, WP PowerSuite can wrap supported WordPress image output in a <picture> element containing an AVIF source. The existing image remains as the fallback, so the browser can choose the AVIF when it supports the format and continue using the original image when it does not.
If you instead want the Media Library attachment itself to become a modern image format, compare this workflow with WebP Conversion. WebP Conversion replaces the main attachment file with WebP, while AVIF Conversion defaults to keeping the source attachment and delivering AVIF as a sidecar.

Choose the Right AVIF Encoding Strategy

Balance Quality, Compression and Processing Time

Restore JPEG or PNG When You Need To

Plan AVIF Alongside the Rest of Your Media Workflow

AVIF Conversion handles format optimization; it does not resize your entire existing library or redefine WordPress image dimensions. If you add or change image sizes later, Regenerate Thumbnails can rebuild metadata and generated sizes for existing attachments.
If your site needs to accept AVIF files that were already created outside WordPress rather than converting JPEG or PNG uploads, use AVIF Upload. That module focuses on validating and admitting native AVIF uploads, while this module focuses on conversion and delivery.
AVIF Conversion and WebP Conversion are mutually exclusive in WP PowerSuite. Choose the format and workflow that best fits your browser support, server capabilities, compatibility requirements, and preferred handling of original files rather than running both conversion systems against the same upload.

Use Cases

  • Image-Heavy Blogs
    Create AVIF sidecars for new editorial images and serve them automatically without rewriting existing article markup.
  • WooCommerce Product Media
    Reduce the transfer size of newly uploaded JPEG and PNG product photography when the server supports AVIF encoding.
  • Agency Performance Builds
    Standardize an AVIF workflow across managed client sites while retaining originals for easier rollback.
  • High-Resolution Uploads
    Defer larger new images to background processing instead of forcing the editor to wait for synchronous encoding.
  • Modern-Format Migration
    Use Replace mode when the project intentionally wants AVIF to become the canonical Media Library attachment.

Frequently Asked Questions

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