---
name: "t1disasm"
section: "1"
platform: "linux"
package: "t1utils"
version: "1.42-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/t1disasm"
---

# t1disasm(1)

disassemble PostScript Type 1 font

## NAME

t1disasm - disassemble PostScript Type 1 font

## SYNOPSIS

**t1disasm** \[*input* \[*output*\]\]

## DESCRIPTION

**t1disasm** disassembles Adobe Type 1 font programs in either PFA (hexadecimal) or PFB (binary) formats into human-readable form. If the file *output* is not specified output goes to the standard output. If the file *input* is not specified input comes from the standard input.

**t1disasm** performs eexec and charstring decryption as specified in the \`\`black book'', *Adobe Type 1 Font Format.* Additionally, the charstring binary tokens are expanded into human-readable text form, using the names given in the black book and later documents describing Type 2 opcodes.

## EXAMPLES

```
% t1disasm Utopia-Regular.pfb Utopia-Regular.raw
% t1disasm Utopia-Regular.pfa Utopia-Regular.raw
```

In **Subrs** entries in Utopia-Regular.raw will look like

```
dup 5 {
        8 111 vstem
        -12 128 hstem
        707 -20 hstem
        return
        } |
```

and the **CharStrings** entries like

```
/exclam {
        58 242 hsbw
        6 callsubr
        5 4 callsubr
        63 707 rmoveto
        -54 0 -5 -22 4 -45 rrcurveto
        40 -431 rlineto
        29 hlineto
        42 431 rlineto
        4 45 -5 22 -55 0 rrcurveto
        closepath
        6 4 callsubr
        -719 vmoveto
        243 callsubr
        endchar
        } |-
```

## SEE ALSO

[**t1asm**(1)](/t1asm/1.md), [**t1ascii**(1)](/t1ascii/1.md), [**t1binary**(1)](/t1binary/1.md), [**t1unmac**(1)](/t1unmac/1.md), [**t1mac**(1)](/t1mac/1.md)

*Adobe Type 1 Font Format* is available free from Adobe as a PDF file: http://partners.adobe.com/asn/developer/PDFS/TN/T1\_SPEC.PDF

*The Type 2 Charstring Format,* also available from Adobe as a PDF file, describes the newer Type 2 operators, which are also used in some multiple-master Type 1 fonts like Adobe Jenson and Kepler: http://partners.adobe.com/asn/developer/PDFS/TN/5177.Type2.pdf

## AUTHORS

Lee Hetherington (ilh@lcs.mit.edu)\
 Eddie Kohler (ekohler@gmail.com)