Add text or image watermark to PDF
Edit Use Watermark PDF Tool →Protect your documents by adding custom watermarks to your PDF files. Add text watermarks with customizable font size, opacity, rotation angle, and color, or overlay image watermarks for branding. Perfect for marking drafts as confidential, protecting intellectual property, adding company branding, or marking documents as copies. The watermark is rendered directly into each page of your PDF with professional quality.
PDFToolBox Watermark PDF lets you protect and brand your documents with custom watermarks. Add text or image watermarks with full control over position, opacity, and size. Everything happens locally — your documents remain private. Essential for businesses that need to protect drafts, mark confidential documents, or add branding.
Yes, you can upload an image (PNG with transparency works best) or use text as a watermark.
You can choose to apply the watermark to all pages or select specific pages.
Yes, you can control opacity to make the watermark more or less visible.