From digital-printing
Convert a color PDF to grayscale (black-and-white) for monochrome digital printing — saves toner and avoids color-mismatch issues. Triggers on phrases like "convert PDF to grayscale", "make it black and white", "remove color from PDF", "monochrome PDF".
npx claudepluginhub danielrosehill/claude-code-plugins --plugin digital-printingThis skill uses the workspace's default tool permissions.
Strip color from every page of a PDF, producing a grayscale-only output suitable for monochrome printing.
Conducts multi-round deep research on GitHub repos via API and web searches, generating markdown reports with executive summaries, timelines, metrics, and Mermaid diagrams.
Share bugs, ideas, or general feedback.
Strip color from every page of a PDF, producing a grayscale-only output suitable for monochrome printing.
<input>-grayscale.pdf.Use ghostscript with the pdfwrite device and a grayscale color conversion strategy. This is the most reliable method — it converts both raster images and vector content.
gs -sOutputFile=output.pdf \
-sDEVICE=pdfwrite \
-sColorConversionStrategy=Gray \
-sProcessColorModel=DeviceGray \
-dCompatibilityLevel=1.4 \
-dNOPAUSE -dBATCH \
input.pdf
gs is installed.gs -sDEVICE=png16m -r72 -o /tmp/check.png -dFirstPage=1 -dLastPage=1 output.pdf
Grayscale PDF written to the requested path. Original is not modified.