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GitHub Repository
Encode arbitrary data into a WOFF2 color font (Brotli-compressed), decode it via canvas rendering at runtime.
0 starsPython
Encode arbitrary data into a WOFF2 color font, decode via canvas
by etherdream·Jun 29, 2026·2 points·0 comments
AI Analysis
●●●BangerWizardryBig Brain
Using WOFF2 fonts as Brotli compression transport is genuinely wild.
Strengths
- •Native browser WOFF2 decompression means only a few hundred bytes of JS glue code.
- •Solves real CDN problem where Brotli support is missing but font loading works.
- •RGB pixel encoding in CBDT tables avoids premultiplied alpha corruption.
Weaknesses
- •Only 1.5% size savings over raw Brotli—may not justify deployment complexity.
- •Firefox and Safari support DecompressionStream now, reducing the use case.
Category
Target Audience
Frontend developers optimizing CDN delivery
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