Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Alternatives to LehmannLabs WebP Optimizer
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WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Lightweight image compression, WebP/AVIF conversion, bulk optimization and smart image management for WordPress.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.
Compress images and convert them to WebP on your own server. No external API, no credits, no monthly quota. Every original is backed up.
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
Automatically convert images to WebP, reduce file size, and improve page speed and Core Web Vitals — no setup required.
Convert JPG/PNG uploads to WebP on your own server. No cloud API, no quotas. Optional HTML rewrite only when .webp exists.
Convert images to AVIF & WebP on-server with true background queue. Boost page speed and Core Web Vitals with zero monthly SaaS fees.
Convert JPEG & PNG images to WebP automatically. Bulk convert, optimize media library, clean unused thumbnails & boost Core Web Vitals. Free forever.