Unlimited automatic image optimization for WordPress. Compress images, convert to WebP, and improve site speed without losing image quality.
Alternatives to EffortLess Simple Image Optimiser
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.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
The fastest WordPress image optimizer. Auto-convert JPEG, PNG, SVGs (if you allow) to WebP and compress images on upload.
Automatically compress JPEG, PNG and GIF images on upload. Bulk optimize your media library, keep backups, and track savings per image.
Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Convert JPG/PNG uploads to WebP on your own server. No cloud API, no quotas. Optional HTML rewrite only when .webp exists.
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.
Convert JPEG, PNG & GIF to WebP and bulk-optimize your Media Library entirely on your own server. No external services. No data sent. No quotas.
Convert images to WebP and AVIF and compress them on your own server. No account, no API key, no image credits, and your images never leave your site.