# 25 21 50 53 — File format magic numbers

For 25 21 50 53, offset is 0; extension is ps; format is PostScript document, recorded from its source on 2026-08-03.

- **Hex signature:** 25 21 50 53 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** ps _(unconfirmed — we could not tie this to the quote below)_
- **Format:** PostScript document

## What the source says

> PostScript document

## Source

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

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).