Add Text Watermark to PDF
Add a text watermark to your PDF online for free. Customize text, size, opacity, and angle. No signup.
Drag a PDF here or click to browse
Select a PDF to add a watermark to
Processed entirely in your browser — never uploaded to a server. Files are deleted when you close this tab.
How to add a watermark to a PDF
- 1
Upload your PDF
Drag your PDF file into the upload zone or click to browse.
- 2
Customize the watermark
Enter your watermark text and adjust the font size, opacity, and rotation angle using the sliders.
- 3
Download the watermarked PDF
Click 'Add Watermark' and download your PDF with the watermark applied to every page.
Why use this tool
- Full customization — text content, font size (20-120px), opacity (5-80%), and angle are all adjustable.
- Applies consistently across every page for a uniform, professional result.
- Perfect for marking documents as DRAFT, CONFIDENTIAL, or adding copyright notices.
- Browser-side processing means your sensitive documents stay on your device.