Piio might be a bit more popular than Optimage. We know about 1 link to it since March 2021 and only 1 link to Optimage. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
I personally swear by Optimage. Although its primary function is images, it also does video. It is fast and it has a very generous free offering (24 files per day). It doesn't have many options, but to me, that's a feature, not a bug. - Source: Reddit / about 1 month ago
Piio.co — Responsive image optimization and delivery for every website. Free plan for developers and personal websites. Includes free CDN, WebP and Lazy Loading out of the box. - Source: dev.to / about 2 months ago
ImageOptim - Faster web pages and apps.
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.
pngquant - command-line utility and library for lossy compression of PNG images
Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.