Radiance High Dynamic Range image file — file signature 23 3F 52 41 44 49 41 4E 43 45 0A at offset 0

For Radiance High Dynamic Range image file, hex signature is 23 3F 52 41 44 49 41 4E 43 45 0A; offset is 0; extension is hdr, verified against its source on 2026-09-22.

What the source says

23 3F 52 41 44 49 41 4E 43 45 0A | #?RADIANCE␊ | 0 | hdr | Radiance High Dynamic Range image file |

— en.wikipedia.org, retrieved 2026-09-22

Source

• en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.