wsrv.nl is an open-source image cache and resize service that allows you to manipulate images on-the-fly while leveraging a global cache. This ensures that your images load quickly and efficiently, no matter where your users are located. The service is built using best-in-class technologies such as nginx and libvips, and is backed by Cloudflare's CDN spanning over 300 global datacenters. Features include crazy fast performance, awesome technology with nginx and libvips, free and open source availability, CDN caching from 300+ global datacenters, simple installation process, and fast image processing with libvips. On average, wsrv.nl resizes 6 million images per hour.