.xcf

GIMP Image

Dedicated renderer

Format facts

MIME type: image/x-xcf
Apple UTI: custom
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: common

Renderer note (from the census)

parse XCF header and channel properties, flatten to preview

Gotchas: complex layered format, pure Go exists