Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Vacuum Image Optimizer
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.
Automatically optimize images with bulk compression, lazy loading, WebP/AVIF conversion & CloudFront image CDN. Boost Core Web Vitals & conversions.
Media Optimizerv1.1.0
Free WebP and AVIF sidecars, delivery tests, and safe local WordPress image optimization with original-file backups.
Convert to WebP/AVIF, resize, lazy load and add alt text. Plus cleaner, watermarks, media folders and image protection. All free.
Speed up WordPress with our image optimization plugin! Convert images to next-gen AVIF & WebP formats to instantly improve Core Web Vitals.
WordPress image optimization with WebP variants, a safe background queue, adaptive frontend delivery, and a queue health system that explains itself.
Stories Image Optimizerv1.0.0
Automatically convert images to WebP or AVIF on upload for better quality and smaller file sizes.
Optimize and analyze your WordPress images with local compression, WebP conversion, image health reports, optimization statistics, and no external API …
Lightweight, privacy-first image optimization at upload time with local WebP conversion, AVIF-aware handling, and no external service.
Image optimization that compresses your images and creates WebP and AVIF versions, through our service or on your own server. Originals are kept.