Agent skill (SKILL.md) that maximizes document quality and readability over fax — converts a PDF to a 1-bit CCITT-G4 PDF/TIFF that arrives LEGIBLE after Group-3 transmission, with 17 halftone methods and a multi-up comparison preview. For Claude and OpenAI Codex.
python pdf ocr fax skill tiff image-processing dithering codex blue-noise pymupdf ccitt error-diffusion halftoning bilevel document-imaging anthropic claude-skill agent-skill ccitt-g4
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Updated
Jul 25, 2026 - Python