PDF Watermark
Stamp a custom text watermark on every page of a PDF. Adjust opacity, angle, color, and tiling. Live preview included.
Watermark
Upload a PDF to see a live watermark preview
Supports any password-free PDF
About This Tool
PDF Watermark stamps a custom text watermark onto every page of a PDF. Control the text, font size, opacity, rotation angle, color, and whether the watermark tiles across the full page or appears once centered.
A live preview shows exactly how the watermark will look on the first page before downloading. Watermarks are rendered using canvas compositing over the PDF.js-rendered page image.
Common uses include marking documents as CONFIDENTIAL, DRAFT, REVIEW, or adding a company name. All processing happens in your browser. Your PDF is never uploaded.