Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to IOptimizer – Compress, Optimize and Lazy Load Images
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.
Compress and optimize images, enable lazy load, serve WebP & AVIF, and speed up your site with a global image CDN.
Bulk convert images to WebP, compress without visible quality loss, auto-optimize on upload, and see exactly how much space you saved.
MRI SiteOptimizerv1.0.2
Clean unlinked images, remove unnecessary files, compress images, lazy load, and optimize your WordPress database — all in one lightweight plugin.
Convert images to WebP and AVIF and compress them on your own server. No account, no API key, no image credits, and your images never leave your site.
Snake Image Optimizerv1.0.3
Snake Image Optimizer is a local-first WebP/AVIF plugin with safe fallbacks, diagnostics, activity logs, and bulk processing.
Compress and optimize WordPress images without visible quality loss. Resize images, regenerate thumbnails, and improve page speed to save bandwidth an …
Easy Image Optimizerv4.3.8
Easily speed up your website to increase conversions. Properly compress and size/scale images. Includes lazy load and WebP/AVIF auto-convert.
Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Optimize and serve your images in AVIF or webp format on-the-fly, boosting site performance and decreasing load times with our network distribution.