Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Image Optimizer – Compress Images and Convert to WebP or AVIF
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.
Automatically compress and convert your images to modern formats (WebP, AVIF). Get a perfectly optimized image every time and speed up your website.
QuickWebP converts JPG and PNG to WebP, compresses images locally, improves image SEO, and adds AVIF with QuickWebP Pro.
Compress images to WebP/AVIF and auto-generate SEO alt text with AI in 50+ languages. Boost Core Web Vitals, page speed, and accessibility.
Compress images to WebP/AVIF for free — locally with PHP-Imagick, otherwise converted by fepo. Fonts subsetted by fepo (uses credits).
GPL Ji Image Optimizerv1.0.1
Optimize WordPress images with local compression, WebP conversion, bulk optimization and automatic image optimization.
Byteslim Image Optimizerv1.2.2
Lightweight image compression, WebP/AVIF conversion, bulk optimization and smart image management for WordPress.
Compress images and convert them to WebP on your own server. No external API, no credits, no monthly quota. Every original is backed up.
Automatically optimize images with bulk compression, lazy loading, WebP/AVIF conversion & CloudFront image CDN. Boost Core Web Vitals & conversions.
Image optimizer and WebP & AVIF converter: compress and resize images free on your own server, no account needed. Optional cloud adds video.