Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Kraken.io Image Optimizer – Compress, Convert to WebP & AVIF, Resize & Bulk Optimize
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 WordPress images to WebP or AVIF, compress in bulk, audit images by page, compare previews, and restore originals with rollback.
Compress, resize and convert WordPress images directly in your browser, without an external image-processing service. Free. No API key.
Pressidium Performancev1.2.0
Speed up your WordPress site, improve Core Web Vitals and enhance user experience with one-click image optimization, CSS & JavaScript minification.
Convert images to AVIF & WebP on-server with true background queue. Boost page speed and Core Web Vitals with zero monthly SaaS fees.
Compress images and convert them to WebP on your own server. No external API, no credits, no monthly quota. Every original is backed up.
Shrinkwell Image Optimizerv1.16.4
Optimize images with WebP and AVIF, then review possibly unused media safely.
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
Codcy Image Optimizerv1.6.3
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.
Speed up WordPress with our image optimization plugin! Convert images to next-gen AVIF & WebP formats to instantly improve Core Web Vitals.