Sali Media Optimizer is a lightweight, all-in-one media converter and compression plugin. Acting as a high-performance WebP converter and WebM converter, it automatically converts image uploads to WebP or AVIF, and video uploads to WebM. It reduces file sizes by up to 80% with zero visible quality loss, optimizing your WordPress media library for speed and SEO.

Key Features

Automatic Conversion: Converts newly uploaded images to WebP/AVIF and video uploads (MP4/MOV/AVI) to WebM.
Auto-Resize on Upload: Set maximum dimensions (e.g. 2048px) to automatically downscale huge camera images before compression.
Performance Benchmark: Diagnostic benchmark tool to measure local compression speeds of PHP GD, Imagick, and cloud fallback.
CDN URL Rewriter: Rewrite frontend asset domains to bunnycdn, cloudflare, or bunny.net.
Smart HTML Fallback: Rewrites HTML tags to use <picture> falling back to original JPG/PNG files on older browsers.
Background WP-Cron Sync: Bulk optimize your pre-existing media assets periodically in the background.

External services

This plugin uses the reSmush.it external service for cloud-based image optimization when local tools (GD or Imagick) are unavailable or disabled.

Service Description: reSmush.it is a free cloud image optimization service used here to compress and optimize images.
Data Transmitted: When local optimization fails or is not supported, the plugin transmits the raw image file and compression quality setting to the reSmush.it API.
Service Terms & Privacy:
- Service URL: https://resmush.it
- Terms of Service: https://resmush.it/terms
- Privacy Policy: https://resmush.it/privacy