Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Byteslim 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.
Convert JPEG & PNG images to WebP and AVIF. Serve next-gen formats automatically. Reduce image sizes up to 50% for a faster, higher-scoring website.
Compress images on your own server, add WebP/AVIF where your host supports it, find duplicates and organise media into folders. No API key.
Lightweight, privacy-first image optimization at upload time with local WebP conversion, AVIF-aware handling, and no external service.
Compress and optimize images, enable lazy load, serve WebP & AVIF, and speed up your site with a global image CDN.
Unlimited image optimization on your own server: compression, WebP and AVIF, lazy load, alt text, thumbnails and safe SVG. No credits or API keys.
Browser-based image compression & WebP—no API keys or quotas. Works on any hosting.
The Ultimate Image Optimization Suite for WordPress. WebP & AVIF conversion, Smart Format Selection, Watermarking, and Lazy Load. Zero server load.
Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Compress images and convert JPG, PNG and GIF to WebP and AVIF in the cloud. Offload media to free up disk space and serve images from a CDN.