PDF Watermark Tool
Add confidential or branded text watermarks to any PDF in seconds. Protect your documents without uploading files to external servers.
Upload PDF or Drag & Drop
Maximum size 10MB • Works entirely in your browser
How watermarking works
1. Upload your PDF file (drag-and-drop supported).
2. Enter the text you want stamped across your pages.
3. Click “Add Watermark & Download” to generate a protected PDF.
This demo simulates the workflow. Integrate pdf-lib, PSPDFKit, Ghostscript, or Adobe PDF Services to render watermarks in production.
Free PDF Watermark Tool – Protect PDF Documents
Need to mark contracts, drafts, or branded documents before sharing? Our PDF Watermark tool lets you add custom text watermarks directly in your browser. Keep files secure, highlight confidentiality, and maintain brand consistency without uploading to third-party servers.
Why add watermarks?
🔒 Protect Ownership
Stamp company names, URLs, or copyright notices to assert ownership.
⚠️ Flag Confidential Docs
Mark drafts, internal reviews, or NDA content to prevent misuse.
🎨 Brand Consistency
Add taglines or product names to marketing PDFs and whitepapers.
📄 Meeting Handouts
Apply “Do Not Copy” or “Sample” watermarks to event materials.
How to watermark a PDF
- Upload your file: Drag any PDF (10MB or less) into the upload card.
- Type watermark text: Enter the phrase, project name, or legal notice.
- Adjust placement: Use diagonal, centered, or repeated patterns.
- Download instantly: Generate a watermarked PDF ready to share.
- Keep originals: No changes occur to your source file.
Common watermark use cases
- Legal teams: Mark drafts as “Attorney Review” or “Do Not Distribute.”
- Finance departments: Identify statements as “Client Copy” or “Paid.”
- Marketing teams: Brand brochures before handing them to partners.
- Educators: Add school names or exam IDs to syllabus PDFs.
- Agencies: Protect proofs and design mockups before client approval.
Frequently Asked Questions
Yes! Add watermarks to unlimited PDFs at no cost. No signups or usage limits.
No. This demo runs entirely in your browser. For production, integrate a trusted client-side or on-premises PDF library to keep files private.
Yes—when you integrate pdf-lib or another renderer you can control font family, size, color, opacity, angle, and repetition across pages.
Watermarks typically appear in the foreground but with low opacity. You can adjust transparency or position to avoid covering critical content.
This demo focuses on text. You can extend it with image support by drawing PNG/SVG graphics via pdf-lib, PSPDFKit, or other PDF SDKs.