.hdr

Radiance HDR

Dedicated renderer

Format facts

MIME type: image/vnd.radiance
Apple UTI: custom
Stock Quick Look: shown as plain text
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: common

Renderer note (from the census)

parse header and RGBE scanlines to tone-map

Gotchas: pure Go RGBE parser exists