Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Output 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.
Optimize and protect your PDFs with automatic compression and watermarking. Save space and secure your documents effortlessly.
Compress and optimize WordPress images without visible quality loss. Resize images, regenerate thumbnails, and improve page speed to save bandwidth an …
HK Media Optimizerv1.0.1
Find and remove unused media files from your Media Library — built to run in lightweight batches so it never overloads your server.
All-in-one WordPress speed optimizer for every site type—page cache, asset control, lazy media, WebP, HTML minify, CDN rewrite, admin speed tools, and …
Speed up your site with 10Web Booster. Pass Core Web Vitals by optimizing HTML / CSS / JavaScript, Image Optimization, Lazy Loading, Cache, Google Fon …
Automatically compress every image and serve WebP and AVIF to every visitor. Small files, the quality you choose, zero manual work.
Compress images & PDFs automatically, convert to WebP & AVIF, and generate SEO-friendly filenames with AI. Bulk optimization, smart crop & resize.
The Ultimate Image Optimization Suite for WordPress. WebP & AVIF conversion, Smart Format Selection, Watermarking, and Lazy Load. Zero server load.
Compress your media library through the imagecompression.ai API. Automatic on upload, bulk compression, resizing, backups with one-click restore.