Add watermarks to PDFs and images — text stamps (CONFIDENTIAL, DRAFT, APPROVED), logo/image overlays, tiled or single placement, custom color/opacity/angle/font, and position presets. Powered by PDFAPIHub.
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PdfApiHub/openclaw-pdf-watermark
8220e8f283e794814818444ffc48d5dd5d199fe2
openclaw plugins install clawhub:pdfapihub-watermark