Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Alternatives to IMJOLWP Image Optimizer
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
WebP conversion on your own server, cache-safe delivery, LCP-friendly lazy loading and an image SEO checker. No external API, no quotas.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Optimize WordPress images locally, convert supported media to WebP, preserve originals, and restore them in one click.
Local WebP & AVIF for WordPress. No external image CDN, account, API key, or paid feature limits.
Convert images to WebP and replace originals—no duplicates. Save storage and speed up your site. Auto-convert on upload & bulk tools (premium).
QuickWebP converts JPG and PNG to WebP, compresses images locally, improves image SEO, and adds AVIF with QuickWebP Pro.
Convert JPG and PNG images in your WordPress site to modern, lightweight WebP format for faster loading and better performance.
Free bulk image optimizer: compress and convert the images in your media library to AVIF & WebP. Reversible, no subscription.
Automatically convert images to WebP format while uploading them to the WordPress media library. Replace originals, convert all sizes, and manage conv …