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autosubset 0.2.2
autosubset – Automatically subset a font based on actual text
autosubset creates a subset font exactly for the set of characters that you
actually use.
Usage
Just pipe the text into autosubset and specify the font.
Assuming all your text is in the HTML files in the current directory:
html2text *.html | autosubset.py MyFont.woff2
autosubset analyzes the content, extracts the characters used and uses
pyftsubst from
fonttools to create a matching
subset.
After that, just add lines like the following to your web site:
HTML: Preload the font for faster availability.
<link rel="preload" href="MyFont.subset.woff2" as="font" type="font/woff2">
CSS: Define and use the font.
@font-face {
font-family: "My Font";
src: local("Tenor Sans"), url("MyFont.subset.woff2") format("woff2");
font-display: fallback;
}
@body {
font-family: "My Font", "System Fallback Font", sans;
}
Whenever you change your text, make sure to rerun autosubst. This ensures
that the browser does not need to substitute characters from the fallback
fonts.
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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