Apple HEIF image file — file signature 00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00 at offset 0

For Apple HEIF image file, hex signature is 00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00; offset is 0; extension is heif, verified against its source on 2026-08-03.

What the source says

00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00 | ␀␀␀ftypheic␀␀␀␀ | 0 | heif | Apple HEIF image file [102] |

— en.wikipedia.org, retrieved 2026-08-03

Source

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

Last verified against source: 2026-08-03. Due for re-check by 2027-08-03. This page as Markdown · OKF bundle · full dataset as JSON.