Lightweight, privacy-first image optimization at upload time with local WebP conversion, AVIF-aware handling, and no external service.
Alternatives to Byteslim Image 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.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
🚀 Automatically convert images to WebP format in WordPress and improve website speed, performance, and SEO — without any manual work.
Shrinkwell Image Optimizerv1.16.4
Optimize images with WebP and AVIF, then review possibly unused media safely.
Anek Image Optimizerv1.0.1
Advanced image optimization for WordPress. Supports Libvips, Spatie, and Intervention. Generates WebP/AVIF and compresses images locally.
Convert WordPress images to WebP or AVIF, compress in bulk, audit images by page, compare previews, and restore originals with rollback.
Image optimization that compresses your images and creates WebP and AVIF versions, through our service or on your own server. Originals are kept.
Browser-based image compression & WebP—no API keys or quotas. Works on any hosting.
Compress and convert your media library to WebP and AVIF. Same quality, smaller files, never bigger, never broken. Free API key.
Image optimization that works the moment you activate it. Compress and convert to WebP right on your site — no setup, no API keys, no limits.