Stories Image Optimizerv1.0.0
Automatically convert images to WebP or AVIF on upload for better quality and smaller file sizes.
Alternatives to SlashImage – Image Optimizer: Compress Images, Convert WebP & AVIF
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
All-in-one WordPress image optimization: disable thumbnails, compress, convert to WebP & AVIF, clean your media library, and offload images to a CDN.
Codcy Image Optimizerv1.6.3
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.
Image optimization in 1‑click: compress, resize & convert to WebP/AVIF – free up to 20MB/month. Enjoy the easiest WordPress image optimizer to set up.
MITS Image Optimizerv1.2.76
Auto-compress images on upload, bulk convert to WebP & AVIF, manage .htaccess WebP serving, and audit your site - all in one plugin.
The fastest WordPress image optimizer. Auto-convert JPEG, PNG, SVGs (if you allow) to WebP and compress images on upload.
The Ultimate Image Optimization Suite for WordPress. WebP & AVIF conversion, Smart Format Selection, Watermarking, and Lazy Load. Zero server load.
Compress WordPress images, convert to WebP or AVIF, and resize uploads. Automate image optimization and bulk optimize your media library.
Optimize images and convert to WebP & AVIF on your own server. Local, private, no cloud, no credits — faster site and better Core Web Vitals.