菜单
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".
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".
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".
Generate a formal print job order — a printer-facing document (PDF + JSON) that specifies files, copies, color instructions, paper, binding, finishing, special notes, and the customer's contact info. Drops it into a job folder so it's ready to hand to a digital printer or print shop. Triggers on phrases like "create a print order", "make a printer order sheet", "write up the job for the printer".
| name | add-watermark |
| description | 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". |
Stamp a large rotated text watermark across every page of a PDF.
DRAFT, PRIVATE, CONFIDENTIAL, or arbitrary string.light red (RGB 0.85, 0.2, 0.2 at 25% opacity). Accept named colors or hex.<input>-<watermark-slug>.pdf.Generate a single-page overlay PDF the same size as the input, then stamp it onto every page using qpdf --overlay.
from reportlab.pdfgen import canvas
from reportlab.lib.colors import Color
c = canvas.Canvas("overlay.pdf", pagesize=(width_pt, height_pt))
c.saveState()
c.translate(width_pt/2, height_pt/2)
c.rotate(45)
c.setFillColor(Color(0.85, 0.2, 0.2, alpha=0.20))
c.setFont("Helvetica-Bold", font_size)
c.drawCentredString(0, 0, "DRAFT")
c.restoreState()
c.save()
qpdf input.pdf --overlay overlay.pdf -- output.pdf
pdfinfo.gs -sDEVICE=png16m -r100 -o /tmp/wm-check.png -dFirstPage=1 -dLastPage=1 output.pdf
Watermarked PDF.
flatten-transparency after watermarking.