PDF Watermark Tool

Add Watermark
to PDF Online Free

Add text watermarks to every page of your PDF. Customize opacity, angle, and position. Runs in your browser — zero uploads.

No Upload
100% Private
Instant
Free Forever

Add Watermark to PDF

Text watermark on every page — opacity, angle, and position configurable

PDF File
Drop PDF here or click to browse
Watermark added to all pages
Watermark Text
Settings
Opacity %
Angle (degrees)
Font Size (pt)
Position
Watermark is burned into the PDF. All processing in your browser.
Adding watermark...
FAQ

Frequently Asked Questions

The watermark is rendered directly into each page and cannot be removed without editing software. Keep the original unprotected PDF.
10-20% is subtle and professional. 40-60% is highly visible. Most corporate watermarks use 15-25%.
Text watermarks are supported. Image watermark support is planned.