Add Watermark

Protect your Intellectual Property with custom text watermarks across PDF pages.

Source PDF

Upload your PDF file to apply a watermark

Select a file • Max 50MB

Browse Files

Watermark Configuration

Diagonally applied across every page

Layout Logic

Adaptive scaling ensures the watermark remains legible regardless of page dimensions.

Volatile Processing

Documents are processed in isolated RAM buffers and are never persisted to disk.

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Frequently Asked Questions

How do I add a watermark to a PDF?

Adding a watermark is easy: 1) Upload your PDF file, 2) Enter your watermark text, 3) Click 'Add Watermark', 4) Download your watermarked PDF. The process is fast, free, and secure.

Can I customize the watermark text?

Yes, completely! You can use any text you want. Popular options include 'CONFIDENTIAL', 'DRAFT', 'APPROVED', 'COPY', your company name, or any custom text that suits your needs.

Is it free to add watermarks to PDF files?

Yes, our PDF watermark tool is completely free with no hidden fees, registration requirements, or limits. Add unlimited watermarks to unlimited PDFs at no cost.

Are my PDF files secure when adding watermarks?

Absolutely. Your files are encrypted during transfer and automatically deleted immediately after processing. We never store, view, share, or access your documents.