菜单
Rescale a PDF's page size — e.g. US Letter to A4, A4 to Letter, A5 to A4, or any custom dimensions. Use when the user wants to convert a PDF between paper sizes for digital printing. Triggers on phrases like "resize this PDF to A4", "convert to letter size", "change page size".
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
Add bleed margins to a PDF for commercial print shops that trim — extends the page size by the bleed amount on each side and shifts content to the new center. Most office digital printing does NOT need this; use only when sending to a print shop. Triggers on phrases like "add bleed", "add 3mm bleed", "prep for trim".
Generate a matching-size cover page with a title (and optional subtitle, author, date) and prepend it to a PDF. Triggers on phrases like "add a cover page", "prepend a title page", "make a cover for this PDF".
Overlay a diagonal text watermark (DRAFT, PRIVATE, CONFIDENTIAL, etc.) at 45° across every page in light red (or user-specified color), at low opacity so body text remains readable. Triggers on phrases like "add a DRAFT watermark", "stamp PRIVATE on every page", "watermark this PDF".
Burn a permanent footer label into every page of a PDF — CLIENT CONFIDENTIAL, PRIVATE, FAMILY DISTRIBUTION, DRAFT, EMBARGOED UNTIL ..., or custom text. User can choose font and size. Renders a PNG preview to verify layout before committing. Triggers on phrases like "add a CONFIDENTIAL footer", "burn in a footer", "stamp 'embargoed until' across the bottom".
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".
Bundle one or more print-ready PDFs into a single "print job" folder with a manifest, ready to hand to a digital printer or share with collaborators. Triggers on phrases like "create a print job", "bundle these PDFs", "make a job folder for the printer".
| name | resize-page |
| description | Rescale a PDF's page size — e.g. US Letter to A4, A4 to Letter, A5 to A4, or any custom dimensions. Use when the user wants to convert a PDF between paper sizes for digital printing. Triggers on phrases like "resize this PDF to A4", "convert to letter size", "change page size". |
Rescale every page of a PDF to a different paper size while preserving content proportionally.
A4, Letter, A5, Legal, A3, or custom WIDTHxHEIGHT in mm or pt.<input>-<size>.pdf next to the input.scale (default, fit content to new size, preserves aspect ratio) or pad (keep original content size, add margins to reach new size).Prefer ghostscript (gs) — it's pre-installed on most Linux systems and handles content scaling robustly. Fall back to pdfjam (from texlive-extra-utils) for simpler page-size remapping.
gs -o output.pdf \
-sDEVICE=pdfwrite \
-dPDFFitPage \
-dFIXEDMEDIA \
-dDEVICEWIDTHPOINTS=595 \
-dDEVICEHEIGHTPOINTS=842 \
input.pdf
Adjust DEVICEWIDTHPOINTS / DEVICEHEIGHTPOINTS for the target size.
pdfjam --paper a4paper --outfile output.pdf input.pdf
gs is installed (command -v gs). If not, install via sudo apt install ghostscript.pdfinfo output.pdf | grep "Page size" to confirm the new dimensions.Write the resized PDF and report the path. Do not delete the original.