@FontTools

We develop FontTools, a Python library to manipulate font files.

github.com/fonttools/fonttools
Joined January 2018
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Increasingly think this might be the most important chart in the world right now
Adam Dorr
@adam_dorr26 Jun 2025
China is on track to install ~20 times more solar in 2025 than the United States. Yeah.
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"2025Q1 Fonts Quarterly" is out: what I worked on in font technology (mostly HarfBuzz) land this past quarter: docs.google.com/document/d/1… cc @harfbuzz @FontTools

2025Q1 Fonts Quarterly

2025Q1 Fonts Quarterly Optimize all the things / Everybody gets font-funcs March 31, 2025 behdad Introduction Runtime & memory performance improvements Shaping speedups: AAT and OpenType AAT speedups...

docs.google.com
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I posted some notes about what we have been doing this quarter re font technology at behdad.org/fonts2024q4 #opentype @harfbuzz @FontTools
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FontTools 4.52.x is out with lots of interesting CFF goodies: - Partial and static instancing of CFF2 variable fonts. - Two new modules and command-lines: cffLib.CFFToCFF2 and cffLib.CFF2ToCFF for conversions between CFF and CFF2. Check it out: github.com/fonttools/fonttoo…

Release 4.52.0 · fonttools/fonttools

Added support for the new VARC (Variable Composite) table that is being proposed to OpenType spec (#3395). For more info: https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md [ttLib....

github.com
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New @fonttools 4.45.0 is a `pip install --upgrade fonttools` away from you! It contains my work on generating PDF/HTML from the `varLib.interpolatable` tool. Check out the sample output: github.com/behdad/google-fon…
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