Add Watermark to PDF
Stamp a text watermark across every page of your PDF. Customize the text, opacity, font size, and angle. Everything runs in your browser — your files are never uploaded.
100% Private — Your files are processed entirely in your browser and never leave your device.
Drag & drop files here or click to browse
Max file size: 100.0 MB
Need to add or remove watermarks from images instead? Try RemoveWatermark.org.
How to Add a Watermark to a PDF
1
Upload your PDF
Drag and drop or click to select the PDF file you want to watermark.
2
Customize your watermark
Enter your watermark text (e.g., "CONFIDENTIAL" or "DRAFT") and adjust the opacity, font size, color, and position to your liking.
3
Apply and download
Click "Add Watermark" and download your watermarked PDF. The watermark appears on every page. Your original file is never modified.
Frequently Asked Questions
You can add text watermarks with customizable content, font size, opacity, color, and position. Common uses include "CONFIDENTIAL", "DRAFT", or company names.
The watermark is permanently embedded in the new PDF file. However, your original file is never modified, so you always have the unwatermarked version.
Yes, the watermark is applied to all pages in the document. This ensures consistent branding or security marking throughout the entire PDF.