QuickWebP converts JPG and PNG to WebP, compresses images locally, improves image SEO, and adds AVIF with QuickWebP Pro.
Alternatives to Startklar Image Optimizer
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.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Pixelweb Image Optimizerv1.1.2
WebP conversion on your own server, cache-safe delivery, LCP-friendly lazy loading and an image SEO checker. No external API, no quotas.
PicVeda Optimizerv1.0.1
Local-only image optimizer for WordPress and WooCommerce with Context-Aware SEO automation, smart image skipping, and automated WebP conversion.
Clevers Image Optimizerv1.0.7
Clevers Image Optimizer compresses local WordPress images and generates modern WebP and optional AVIF files.
Improve your images alt, title, captions and filenames for better SEO rankings.
GPL Ji Image Optimizerv1.0.1
Optimize WordPress images with local compression, WebP conversion, bulk optimization and automatic image optimization.
Codcy Image Optimizerv1.6.3
Bulk convert JPEG and PNG images to WebP. No external service. Runs entirely on your server with automatic backup.
Reimage Optimizerv2.0.0
Short Description: Optimize and compress images and videos in WordPress. Improve speed and SEO with HLS, logs, and troubleshooting tools.
Converts your images to WebP a little at a time, so even a cheap shared host can optimize a large media library without timeouts.