Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Pixellize 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.
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 and compress images to WebP and AVIF on your own server. No limits, no account, and your originals stay safe.
Optimize every image in your Media Library in one click. Originals are always kept safe, and WebP/AVIF versions are served automatically.
Compress WordPress images, convert to WebP and AVIF, reduce file sizes, improve page speed, and boost Core Web Vitals.
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.
Compress images & PDFs automatically, convert to WebP & AVIF, and generate SEO-friendly filenames with AI. Bulk optimization, smart crop & resize.
HostSalt Image Optimizerv1.0.3
Automatically optimize, compress and convert images to WebP or AVIF on upload — powered by the HostSalt IO API.
Bulk convert images to WebP, compress without visible quality loss, auto-optimize on upload, and see exactly how much space you saved.
Unlimited local image compression. Bulk optimize, auto-compress on upload, backup and restore. No external API, no limits.