for input no, for output yes https://developers.cloudflare.com/images/transform-images/#supported-fo
for input no, for output yes https://developers.cloudflare.com/images/transform-images/#supported-formats-and-limitations
Cloudflare Docs
Transformations let you optimize and manipulate images stored outside of the Cloudflare Images product. Transformed images are served from one of your zones on Cloudflare.
