Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Alternatives to couic – Optimiseur d’images
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.
Browser-based image compression & WebP—no API keys or quotas. Works on any hosting.
Local WebP image conversion with source-and-thumbnail file verification, repair queue, safe originals, and optional JavaScript-popup delivery.
Byteslim Image Optimizerv1.2.2
Lightweight image compression, WebP/AVIF conversion, bulk optimization and smart image management for WordPress.
ImgOptimizer & PNG to JPGv1.1.32
Bulk optimize WordPress images: resize and compress JPG/PNG files, and convert non-transparent PNGs to JPG.
Automatically convert and optimize images to WebP and AVIF formats with intelligent resizing, lazy loading, and caching. Boost page speed by 40-70% wi …
Automatically compress every image and serve WebP and AVIF to every visitor. Small files, the quality you choose, zero manual work.
Automatically compress JPEG, PNG and GIF images on upload. Bulk optimize your media library, keep backups, and track savings per image.
Compress images, convert them to WebP, find unused images, and even optimise pictures uploaded through form plugins like Gravity Forms — all locally, …
Automatically compress, rename with SEO keywords, and generate alt-text for your images using AI.