couic – Optimiseur d’images
WordPress image optimizer: compress JPEG/PNG, convert to WebP/AVIF, resize large uploads and serve responsive images with couic.
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PixGrow Image Optimizer – Bulk Compress & WebP
Free browser-based WordPress image compressor & WebP converter. No API key, zero server load, unlimited bulk optimization.
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Akukita Image Optimizer & WebP Converter
Compress images, convert them to WebP, and find unused images cluttering your media library — all locally, with no third-party servers.
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MITS Image Optimizer
Auto-compress images on upload, bulk convert to WebP & AVIF, manage .htaccess WebP serving, and audit your site — all in one plugin.
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HostSalt Image Optimizer
Automatically optimize, compress and convert images to WebP or AVIF on upload — powered by the HostSalt IO API.
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PicVeda Optimizer
Local-only image optimizer for WordPress and WooCommerce with Context-Aware SEO automation, smart image skipping, and automated WebP conversion.
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WriteAlt – AI Alt Text Generator and SEO & Image Optimization
Generate AI-powered alt text, convert images to WebP, compress media, and rename image files for SEO.
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I-PR AVIF Converter – Automatic Image Optimization
Convert JPEG/PNG to AVIF automatically. 40-70% file size reduction, no cloud API, works on shared hosting. 4,989 images converted, 0% fail rate.
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