---
type: lookup
id: cdi-43-44-30-30-31
asset: file-format-signatures
title: "43 44 30 30 31 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "CD-i CD image file"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "43 44 30 30 31"
offset: "0"
extension: "cdi"
format: "CD-i CD image file"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 43 44 30 30 31

**Offset:** 0

**Extension:** cdi

**Format:** CD-i CD image file

> CD-i CD image file

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