Optimize, compress and resize images in WordPress in bulk. Lazy load images. Auto resize and optimize images upon upload.
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.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Auto-compress images on upload, bulk convert to WebP & AVIF, manage .htaccess WebP serving, and audit your site - all in one plugin.
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.
Compress WordPress images, convert to WebP or AVIF, and resize uploads. Automate image optimization and bulk optimize your media library.
Free WebP and AVIF converter. Compress and optimize images on your own server and serve the best format. No API key, no account, no limits.
Find unused images and duplicate files, clean your Media Library, compress images and create WebP/AVIF — with a restorable trash.
Unlimited automatic image optimization for WordPress. Compress images, convert to WebP, and improve site speed without losing image quality.
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.
Unlimited image optimization on your own server: compression, WebP and AVIF, lazy load, alt text, thumbnails and safe SVG. No credits or API keys.