Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to StashPress : WebP Image Conversion
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.
Reycob WebP e Iconosv1.0.2
Converts JPG and PNG uploads to WebP, optimizes existing media in batches, and adds a local SVG icon library for Elementor.
Convert images on your server to AVIF or WebP. Safely migrate Media Library image families and optimize new uploads.
AsadShah8 WebP Converterv1.0.0
Convert JPEG and PNG images in your Media Library to WebP, automatically on upload or in bulk, and safely remove the originals.
ImageWocv0.6.0
Optimize, resize and convert WordPress images locally, keep original backups, and safely update stored image references during bulk processing.
OneTap WebP Converterv1.0.0
Convert all existing JPG/PNG images in your Media Library to WebP with a single click, in place, with no duplicates.
Compress JPG and PNG images, optimize uploads and your Media Library, and convert images to WebP locally for a faster WordPress site.
Image optimization that works the moment you activate it. Compress and convert to WebP right on your site — no setup, no API keys, no limits.
Automatically generate ALT text, captions & descriptions for your images, plus WebP conversion for better SEO, speed, and accessibility.
Codcy Image Optimizerv1.6.3
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.