How to Add a Watermark to a PDF
Watermarks help protect your documents and establish ownership. This guide shows you how to add a text or image watermark to any PDF online.
Why Add a Watermark to a PDF?
- Mark documents as CONFIDENTIAL or DRAFT
- Add your company logo or branding
- Protect copyrighted content
- Indicate document status (e.g., APPROVED, VOID)
Step-by-Step: How to Add a Watermark to a PDF
Open the Watermark PDF tool
Go to the DartPDF Watermark PDF tool. No account required.
Upload your PDF
Drag and drop your PDF onto the upload area or click to browse.
Choose watermark type
Select Text Watermark to type custom text, or Image Watermark to upload a logo or image.
Adjust settings
Set the opacity (how transparent the watermark appears), rotation angle, and whether to apply it to all pages or a specific page.
Apply and download
Click Apply Watermark, then download your watermarked PDF. The watermark is permanently embedded.
DartPDF uses browser-first processing. A processed file may be securely uploaded when needed to complete a paid download.
Ready to Add a Watermark to Your PDF?
Process first, then choose the download option that fits your needs.