Specifications

Information for type creators

Specifications

Where indicated links point to Microsoft Word versions of each document. Some of the documents are large, and you may prefer to download the zipped versions of the specifications.
TrueType specifications and tools are also available on the Microsoft ftp site: ftp.microsoft.com/developr/drg/truetype.

TrueType font file specification zipped version [0.5Mb]

title page [0.02Mb Word]
contents [0.02Mb Word]
preface [0.02Mb Word]
chapter 1 - TrueType fundamentals [0.5Mb Word]
chapter 2 - the TrueType font file [0.3Mb Word]
chapter 3 - recommendations for Windows fonts [0.03Mb Word]
chapter 4 - character sets [0.02Mb Word]
WGL4 set [0.16Mb Word]
chapter 5 - instructing glyphs [0.2Mb Word]
chapter 6a - the TrueType instruction set [0.7Mb Word]
chapter 6b - the TrueType instruction set [0.7Mb Word]
chapter 7 - graphics state summary [0.02Mb Word]
appendix A - IBM font class parameters [0.04Mb Word]
appendix B - instruction set summary [0.04Mb Word]
appendix C - instruction set index [0.02Mb Word]
vendor ID registry [HTML]

TrueType Open specification zipped version [0.2Mb]

chapter 1 - welcome to TrueType Open [HTML]
chapter 1 - welcome to TrueType Open [0.07Mb Word]
chapter 2 - common table formats [0.14Mb Word]
chapter 3 - the glyph substitution Table (GSUB) [0.15Mb Word]
chapter 4 - the glyph positioning table (GPOS) [0.3Mb Word]
chapter 5 - the baseline table (BASE) [0.14Mb Word]
chapter 6 - the justification table (JSTF) [0.1Mb Word]
chapter 7 - the glyph definition table (GDEF) [0.1Mb Word]
chapter 8 - TrueType Open tag registry [HTML]
chapter 8 - TrueType Open tag registry [0.04Mb Word]
index [0.03Mb Word]

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