Browser extension which saves data by compressing images
Bandwidth Hero is an open-source browser extension which saves data by compressing images on the page via data compresion service. It reduces image size by about 50%-75%.
Crunch is a free, open source macOS GUI application that is built on pngquant and zopflipng PNG image optimization. It uses a lossy approach to PNG image optimization. The tool is available through Homebrew as a native macOS application.
`$ brew cask install crunch`
Image examples + compression ratio analysis available on the Github repository README.
On-demand content aware image processing API
ImageBoss is an API that brings all web development best practices for images to your clients. On demand CONTENT AWARE image resizing and cropping, progressive scans, compression and CDN to all your images by default.