Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to HostSalt 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.
Convert images to AVIF & WebP on-server with true background queue. Boost page speed and Core Web Vitals with zero monthly SaaS fees.
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.
Automatically compress and convert your images to modern formats (WebP, AVIF). Get a perfectly optimized image every time and speed up your website.
Compress images and convert them to WebP on your own server. No external API, no credits, no monthly quota. Every original is backed up.
Free bulk image optimizer: compress and convert the images in your media library to AVIF & WebP. Reversible, no subscription.
Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.
Automatically convert uploaded images to AVIF/WebP locally using PHP. No external APIs, no limits, 100% privacy-friendly.
QuickWebP converts JPG and PNG to WebP, compresses images locally, improves image SEO, and adds AVIF with QuickWebP Pro.
Truly unlimited WebP & AVIF conversion — runs in YOUR browser via WebAssembly. No API, no server, no credits, no signup. Ever.