Fast Native Processing
Add Watermark to PDF
Protect intellectual property and mark legal drafts. Stamp clear text watermarks across every page of your PDF with custom positioning.
Configuration Options
Auto-purged after 10 min C-Accelerated PyMuPDF / LibreOffice
How to Watermark PDF in 3 Simple Steps
1
Upload PDF
Select the document to receive watermarks.
2
Type Watermark Text
Enter your custom stamp text.
3
Download Stamped PDF
All pages marked and protected.
Why Choose AmarPDF for Watermark PDF?
Custom text stamp support (CONFIDENTIAL, DRAFT, PROPRIETARY)
Evenly stamped across every page in the document
Does not obscure readability of underlying content
Frequently Asked Questions
Can watermarked text be modified?
The text is inserted directly into the document structure for robust branding.