PDF Editing 3 min read Updated 2026-09-28
How to Add a Watermark to a PDF Document
Adding a watermark like "CONFIDENTIAL", "DRAFT", or your company name across PDF pages deters unauthorized distribution and clearly labels document status.
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How to Stamp Your PDF with PDFLOL
- Upload your PDF to PDFLOL Watermark PDF.
- Type your desired watermark text (e.g. "CONFIDENTIAL" or "SAMPLE").
- Adjust font size, color, opacity, and diagonal angle.
- Click "Apply Watermark" and download your protected document.
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Open Watermark PDF OnlineFrequently Asked Questions
Can a viewer remove the watermark?
The watermark is rendered directly into the PDF content stream, making it permanent for standard PDF readers.