Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Modern Image Formats
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.
Convert images to AVIF & WebP on-server with true background queue. Boost page speed and Core Web Vitals with zero monthly SaaS fees.
Lightweight WordPress image optimization with WebP and AVIF, while preserving original JPG, JPEG and PNG files.
Free WebP & AVIF image optimizer for your Media Library. No account, no API key, no per-image credits. Faster Core Web Vitals.
Converts uploaded JPEG and PNG images to WebP and AVIF, and serves the best format each browser supports.
Modern formats for your existing image library, automatically. Keep your originals and let the plugin do the work.
Smart JPEG/PNG compression with WebP/AVIF sidecars, AV1 WebM video sidecars (ffmpeg) and backup-first bulk jobs (Pro).
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
Automatically optimize, compress and convert images to WebP or AVIF on upload — powered by the HostSalt IO API.
Automatically converts the JPEG and PNG images you upload to WebP or AVIF for faster pages. Keeps colours accurate and removes photo locations.