ImageOptim API makes pages load faster. Web service for image compression. Easily resize and optimize images on your server. Sign up Pricing Documentation.
API | reSmush.it : Image optimization API is an FREE image optimizer which provides compress your pictures (JPEG, PNG, GIF) for better web performances.
Same API for WebP, JPEG & PNG images. The API compresses WebP, JPEG and PNG images. You only have to upload your source image and download the result.
Free online image compressor for faster websites! Reduce the file size of your WEBP, JPEG, and PNG images with TinyPNG's smart lossy compression engine.