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.
Alternatives to Image Ninja – Convert Images to WebP & AVIF on Upload
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.
Free WebP & AVIF image optimizer for your Media Library. No account, no API key, no per-image credits. Faster Core Web Vitals.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Image optimizer and WebP & AVIF converter: compress and resize images free on your own server, no account needed. Optional cloud adds video.
Unlimited automatic image optimization for WordPress. Compress images, convert to WebP, and improve site speed without losing image quality.
PixCompressv1.4.9
Compress JPEG, PNG, WebP, and GIF in the media library without changing URLs. Originals are backed up so you can restore anytime.
MITS Image Optimizerv1.2.76
Auto-compress images on upload, bulk convert to WebP & AVIF, manage .htaccess WebP serving, and audit your site - all in one plugin.
Convert Media Library images to WebP or AVIF locally in your browser.
QODE Optimizerv1.2.3
The QODE Optimizer plugin is developed to allow you to convert, compress and adjust file sizes for all the images found on your website.
Convert images to WebP & AVIF formats for faster websites. 100% Free, no limits, bulk conversion.