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Images.weserv.nl

Self-hostable image proxy and on-the-fly resizing service

Photo Management ★ 2.7k stars Medium setup BSD-3-Clause

Images.weserv.nl is the open-source software behind the wsrv.nl image CDN, providing on-the-fly image resizing, cropping, and format conversion. It can be self-hosted as an image processing and caching proxy for photo collections.

Official siteSource code

Key features

  • On-the-fly image resizing
  • Format conversion
  • Image proxying
  • Caching support

Pros & cons

Strengths

  • Battle-tested at scale
  • Flexible URL API

Trade-offs

  • Processing service only
  • Nginx module setup

Images.weserv.nl replaces

Self-hosted Cloudinary alternativesSelf-hosted imgix alternatives

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