TTFDUMP(1)

💅 ttfdump(1) — the group chat guide

okay so bestie, welcome to ttfdump, a General Commands Manual icon ✨ — she's the one who dumps the contents of a TrueType Font file, and honestly? she ate. 💖

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✨ NAME ✨

ttfdump — dumping the contents of a TrueType Font file. yes, that's literally the whole job and she does it flawlessly 🫶

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🌸 SYNOPSIS 🌸

ttfdump [-h] [-t tablename] [-g glyphnumber] [-c collection] [-o
dumpfile] [-i] ttfile

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🦋 DESCRIPTION 🦋

so ttfdump dumps the contents of a TrueType font file in ASCII form 📝. a TrueType font file is consist of various tables (their words, not mine, but the facts stay facts 💅). those table are divided into two categories — Required Tables and Optional Tables. also! mulitiple TrueType fonts can be merged to a TrueType Collection 👑.

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🎀 Options

• -h — print a help message on standard output and exit. short, sweet, iconic 🌈
• -t tablename — if this option is specified then dump the table tablename, otherwise dump every tables in ttfile. tablename can be one of the following:

💜 Required Tables

• cmap — character to glyph mapping table
• glyf — glyph data
• head — font header
• hhea — horizontal header
• hmtx — horizontal metrics
• loca — index to location
• maxp — maximum profile
• name — naming table
• post — PostScript information
• OS/2 — OS/2 and windows specific metrics

💀 Optional Tables

• cvt — control value table
• fpgm — font program; not implemented yet.
• gasp — grid-fitting and scan conversion procedure (grayscale)
• hdmx — horizontal device metrics
• kern — kerning table
• LTSH — Linear threshold table
• prep — CVT program; not implemented yet
• PCLT — PCL5 table
• VDMX — Vertical Device Metrics table
• vhea — vertical metrics header
• vmtx — vertical metrics

⭐ Additional OpenType Tables

• GPOS — glyph positioning table
• GSUB — glyph substitution table

• -g glyphnumber — if this option is specified then dump the glyph with index glyphnumber, otherwise dump all glyphs in ttfile. one glyph or the whole squad, your call 💅
• -c collection — select a TrueType font in a TrueType Collection. picking your main character out of the lineup fr fr 👑
• -o dumpfile — output of the dump. if this option is not specified, dump to stdout. no cap 🧚
• -i ttfile — TrueType font file to be dumped.

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🔥 EXAMPLE 🔥

to dump all information in the TrueType font file times.ttf:

ttfdump times.ttf

to dump the required table cmap in the file:

ttfdump -t cmap times.ttf

to dump a single glyph with index 50:

ttfdump -g 50 times.ttf

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🍓 SEE ALSO 🍓

TrueType 1.0 Font Files, Technical Specification Revision 1.66 November 1995 — the lore, the source material, the required reading 📚

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🙈 NOTE 🙈

Instruction disassembler in not implemented. 😭 (their words! keeping it 100)

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🌟 AUTHOR 🌟

Li-Da Lho — legend behavior 💖

currently maintained as part of TeX Live; email bug reports to tex-k@tug.org.. — yes, that's two dots, I'm not fixing it, facts are facts bestie 🫶

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and that's the whole vibe check! this page is brought to you by TeX Live and dated 14 September 2025 — periodt, slay, lowkey iconic, go dump some fonts 💜✨🎀