Add text watermark to your PDF document. Customize position, opacity, and size for professional document protection.
Select a PDF file to add watermark
Upload a PDF to add text watermark
Supported: PDF • Max 50MB
Protect Documents
Add CONFIDENTIAL, DRAFT, or other security marks.
Adjustable Opacity
Control transparency so text remains readable.
Custom Text
Add any text — company name, copyright, or custom message.
All processing happens locally in your browser. Your files are never uploaded to our servers.