JaziTech Image Compressor automatically compresses your images when you upload them to WordPress — no API key, no external service, no monthly fees. Everything happens on your own server using the PHP GD library.
Free features:
Privacy: This plugin does not phone home. It sends no data anywhere — all compression happens locally on your server using PHP GD.
Want more? JaziTech Pro adds WebP & AVIF conversion, scheduled background optimization, unlimited priority bulk processing and a global image CDN. See Settings Go Pro inside the plugin.