Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to KuDesign ImageIO
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Compress WordPress Media Library images through ImgSmaller with background processing, protected backups, and safe restore controls.
Automatically optimize WordPress media, create modern image formats, and deliver faster pages with Convertly.
Optimize WordPress images & videos locally with WebP/AVIF/WebM. No credits. Optional cloud processing and CDN.
Compress, resize and bulk-optimize WordPress images locally, with WebP/AVIF sidecars, backups, diagnostics and WP-CLI.
Automatically compress JPEG, PNG and GIF images on upload. Bulk optimize your media library, keep backups, and track savings per image.
Auto-converts images to WebP, AVIF, JPG or PNG, compresses PDFs, and repairs your media library: broken links, orphans, unused sizes, alt, SEO.
Convert images to WebP & AVIF formats for faster websites. 100% Free, no limits, bulk conversion.
Optimize images with WebP and AVIF, then review possibly unused media safely.
Optimize JPEG, PNG, and WebP locally. Resize, WebP/AVIF, backups, bulk processing, and WP-CLI — no remote API.