Transformation flows in Cloudflare Images
Cloudflare Images now supports automated transformation flows that apply image optimization rules based on conditions like file extension or URL parameters, without code changes. Two modes are available: provider flows for migrating from other services like Fastly, and custom flows for defining your own optimization rules.
Flows are automated rules that pair conditions (such as file extension, URL path, or query parameter) with parameters. Set up a flow to automatically apply image optimization to matching requests on your zone without writing code or changing URLs.
There are two modes for transformation flows:
- Provider flows — Migrate from another image optimization service. Your existing URLs continue to work while Cloudflare rewrites provider-specific parameters to their Cloudflare equivalents. Currently, Cloudflare supports provider flows for Fastly Image Optimizer.
- Custom flows — Define your own conditions and actions for use cases like automatic format conversion, responsive sizing with
width=auto, or directory-based optimization.
To get started, go to Images > Transformations > Automation in the Cloudflare dashboard ↗.
Learn more about transformation flows.
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