fonttools Python Font Manipulation and Subsetting Library

fonttools is a comprehensive Python library for manipulating font files, including TrueType, OpenType, WOFF, and WOFF2 formats. It includes the TTX tool for converting fonts to and from XML, a font subsetting utility for reducing font file sizes, and APIs for inspecting, modifying, and generating font files programmatically.

Installation

Use the upstream install or setup path that matches your environment:

• pip install fonttools
• git clone https://github.com/fonttools/fonttools.git
• pip install -e .
• pip install fonttools[ufo,lxml,woff,unicode]

Requirements and caveats from upstream:

• | fontTools is a library for manipulating fonts, written in Python. The
• FontTools requires Python http://www.python.org/download/__ 3.10
• or later. We try to follow the same schedule of minimum Python version support as