BMP file, a bitmap format used mostly in the Windows world — file signature 42 4D at offset 0

For BMP file, a bitmap format used mostly in the Windows world, hex signature is 42 4D; offset is 0; extension is bmp dib, verified against its source on 2026-09-22.

What the source says

42 4D | BM | 0 | bmp dib | BMP file, a bitmap format used mostly in the Windows world |

— 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.