Lightweight WordPress image optimization with WebP and AVIF, while preserving original JPG, JPEG and PNG files.
Alternatives to Krystian Gacek Image Format Converter
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.
Optimize images locally, serve WebP & AVIF, and keep CDN caches current with Cloudflare or webhook purging—without cloud quotas.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
Check plugin compatibility and repository health, track updates, roll back WordPress.org plugins, and download installed versions as ZIP files.
Automatically compress every image and serve WebP and AVIF to every visitor. Small files, the quality you choose, zero manual work.
Organize, view and optimize your WordPress media with folders, collections, format conversion and restorable versions. Built for OpenStation.
Optimize every image in your Media Library in one click. Originals are always kept safe, and WebP/AVIF versions are served automatically.
Compress and convert your media library to WebP and AVIF. Same quality, smaller files, never bigger, never broken. Free API key.
Convert JPEG/PNG images to WebP with bulk and automatic conversion tools, plus logs and stats.