Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Super Duper Image Auto Optimizer
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.
Anek Image Optimizerv1.0.1
Advanced image optimization for WordPress. Supports Libvips, Spatie, and Intervention. Generates WebP/AVIF and compresses images locally.
Lightweight, privacy-first image optimization at upload time with local WebP conversion, AVIF-aware handling, and no external service.
Optimize images and convert to WebP & AVIF on your own server. Local, private, no cloud, no credits — faster site and better Core Web Vitals.
Convertly Media Optimizerv0.7.18
Automatically optimize WordPress media, create modern image formats, and deliver faster pages with Convertly.
Image optimization in 1‑click: compress, resize & convert to WebP/AVIF – free up to 20MB/month. Enjoy the easiest WordPress image optimizer to set up.
GioCompressv1.4.0
WordPress plugin for smart image optimization. Auto-converts to WebP, includes smart lazy loading, and generates missing alt text for better SEO.
Vacuum Image Optimizerv1.2.1
Local WebP and AVIF image optimization with safe bulk processing, backup and restore tools, diagnostics, CSV reports, and no external API.
Local WebP/AVIF optimization with adaptive visual-quality safeguards, responsive delivery, backups, bulk processing, and optional PageSpeed/LCP-aware …
Imagi Boostv1.1.1
Compress and optimize your WordPress images locally — no API keys, no limits. Supports WebP, bulk optimization, and auto-optimize on upload.