# MP3 file with an ID3v2 container — file signature 49 44 33 at offset 0

For MP3 file with an ID3v2 container, hex signature is 49 44 33; offset is 0; extension is mp3, verified against its source on 2026-09-22.

- **Hex signature:** 49 44 33 _(verified: appears in the quote below)_
- **Offset:** 0 _(verified: appears in the quote below)_
- **Extension:** mp3 _(verified: appears in the quote below)_
- **Format:** MP3 file with an ID3v2 container _(verified: appears in the quote below)_

## What the source says

> 49 44 33 | ID3 | 0 | mp3 | MP3 file with an ID3v2 container |

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).