Add custom text watermarks to your PDF documents. Protect your work, mark documents as confidential, draft, or add copyright notices. Customize text, position, opacity, rotation, and color.
🔒 Private file processing
Your document files stay on your device while supported processing runs locally in your browser.
No File Upload to Server
All Processing in Your Browser
0 MB documents uploaded
Network Efficient
Zero Uploads. 100% On-Device.Safe & privateFaster processing
How to Add Watermark
- 1Upload your PDF file
- 2Enter watermark text (e.g., CONFIDENTIAL, DRAFT, © 2024)
- 3Choose position (center, diagonal, top, bottom)
- 4Adjust opacity, rotation, font size, and color
- 5Click "Add Watermark"
- 6Download your watermarked PDF