---
type: lookup
id: iso-24-53-44-49-30-30-30-31
asset: file-format-signatures
title: "24 53 44 49 30 30 30 31 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "ISO9660 CD/DVD image file [ 40 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "24 53 44 49 30 30 30 31"
offset: "0"
extension: "iso"
format: "ISO9660 CD/DVD image file"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 24 53 44 49 30 30 30 31

**Offset:** 0

**Extension:** iso

**Format:** ISO9660 CD/DVD image file

> ISO9660 CD/DVD image file [ 40 ]

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>