Add Watermark
Add a custom text watermark to your PDF files with adjustable transparency.
Upload PDF
Upload your PDF to add a watermark
Engineering Protocol
Upload your PDF file. Enter the text you want and adjust the transparency. Our tool will overlay the watermark on every page instantly, right in your browser.
Sovereign Privacy
No cloud uploads. Documents are processed purely in-memory within your local environment.
Universal Logic
High-performance architecture optimized for cross-platform desktop and mobile precision.
Infinite Access
Enterprise-grade tools with zero friction, zero sign-ups, and uncapped volume thresholds.