Convert JPG/PNG uploads to WebP on your own server. No cloud API, no quotas. Optional HTML rewrite only when .webp exists.
Alternatives to Simple WebP 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.
PixGrow Image Optimizerv1.1.0
Free browser-based WordPress plugin to compress images and convert to WebP. No API key, zero server load, unlimited bulk image optimization.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Convert JPEG & PNG images to WebP automatically. Bulk convert, optimize media library, clean unused thumbnails & boost Core Web Vitals. Free forever.
Convert images to AVIF & WebP on-server with true background queue. Boost page speed and Core Web Vitals with zero monthly SaaS fees.
PixelCraft with WebPv2.1.4
Automatically convert JPG and PNG images to WebP, reduce file sizes and speed up your WordPress website.
Boost your site speed automatically. Resizes huge uploads, converts images to next-gen WebP & AVIF formats, and safely backs up originals.
Compress and optimize WordPress images, convert to WebP, and reduce image sizes for faster page loads.
WebP on upload and in bulk, every result verified, bulk originals kept 30 days so they can be undone, old image URLs redirected.
Speed up your website. Optimize your JPEG, PNG, and WebP images automatically with TinyPNG.