Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Captain Media Shield
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 Media Library images to WebP or AVIF locally in your browser.
Compress WordPress images, convert to WebP and AVIF, reduce file sizes, improve page speed, and boost Core Web Vitals.
WPFIA Image Optimizerv1.0.0
On-server WebP conversion, Google Core Web Vitals booster, and automated responsive image delivery with zero cloud compression fees.
Convert JPEG & PNG images to WebP and AVIF. Serve next-gen formats automatically. Reduce image sizes up to 50% for a faster, higher-scoring website.
Webangon Image Optimizerv1.0.0
Clean unused images, regenerate thumbnails, convert Media Library files to WebP or AVIF, and safely replace existing media files from one polished Wor …
Sali Media Optimizerv1.1.2
WebP converter, WebM converter & media converter to automatically optimize image uploads to WebP/AVIF and video uploads to WebM.
Convert JPEG & PNG images to WebP automatically. Bulk convert, optimize media library, clean unused thumbnails & boost Core Web Vitals. Free forever.
Add missing image ALT text, optimize JPG/PNG files, create WebP/AVIF images, find duplicates, and safely clean your WordPress Media Library.
Automatically converts JPG and PNG images to WebP format, optimizes size to 100KB-115KB range, updates database URLs, and generates SEO alt text.