Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to Image Shift – Convert, optimize and watermark AVIF & WebP media images
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 JPEG, PNG & GIF to WebP and bulk-optimize your Media Library entirely on your own server. No external services. No data sent. No quotas.
Compress and convert your media library to WebP and AVIF. Same quality, smaller files, never bigger, never broken. Free API key.
Truly unlimited WebP & AVIF conversion — runs in YOUR browser via WebAssembly. No API, no server, no credits, no signup. Ever.
Optimize, compress and resize images in WordPress in bulk. Lazy load images. Auto resize and optimize images upon upload.
Free WebP & AVIF image optimizer for your Media Library. No account, no API key, no per-image credits. Faster Core Web Vitals.
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.
Compress images to WebP/AVIF for free — locally with PHP-Imagick, otherwise converted by fepo. Fonts subsetted by fepo (uses credits).
Unlimited image optimization - Auto optimize on upload, Bulk optimize, WebP & AVIF conversion. No API key, no monthly fee, no limits.
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.