Automatically convert images to WebP or AVIF on upload for better quality and smaller file sizes.
Alternatives to Convertly Media 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.
Browser-based image compression & WebP—no API keys or quotas. Works on any hosting.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Free local image optimizer. No API, credits, or CDN. Bulk optimize, WebP, backups, restore, and used-image queues.
Image optimization that compresses your images and creates WebP and AVIF versions, through our service or on your own server. Originals are kept.
Bulk convert images to WebP, compress without visible quality loss, auto-optimize on upload, and see exactly how much space you saved.
Optimize WordPress image delivery with WebP, AVIF, frontend rendering analysis, and Elementor image intelligence.
Free WebP & AVIF image optimizer for your Media Library. No account, no API key, no per-image credits. Faster Core Web Vitals.
Optimize images automatically — compress, resize and convert to WebP, AVIF & more with Kraken.io. Faster pages, smaller files, same quality.
Auto-compress images on upload, bulk convert to WebP & AVIF, manage .htaccess WebP serving, and audit your site - all in one plugin.