Converts JPEG/PNG to AVIF and WebP; rewrites content to <picture> with JPG/PNG fallback. Completely free, no paid version.
Alternatives to Infovarious Picture Converter
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.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Free WebP & AVIF image optimizer for your Media Library. No account, no API key, no per-image credits. Faster Core Web Vitals.
Optimize every image in your Media Library in one click. Originals are always kept safe, and WebP/AVIF versions are served automatically.
Petro SEO Images to WebPv1.1.2
Bulk-convert media library images to WebP for better SEO and Core Web Vitals. Originals stay on disk; the front-end serves WebP via the tag.
CLU Just Modern Imagesv1.0.4
Modern formats for your existing image library, automatically. Keep your originals and let the plugin do the work.
Convert and compress images to WebP and AVIF on your own server. No limits, no account, and your originals stay safe.
Byteslim Image Optimizerv1.2.2
Lightweight image compression, WebP/AVIF conversion, bulk optimization and smart image management for WordPress.
Local WebP/AVIF sidecar conversion, savings statistics, media library tools, background processing, WP-CLI, and optional server-level delivery.
Pixel Forgev1.1.1
Bulk-convert your media library to WebP and AVIF with a live progress screen, then roll every generated file back with one click.