Watermark PDF

Add text watermarks to your PDF pages. Customize text, size, opacity, angle, and position. Free, private, all in your browser.

About Watermark PDF

Add text watermarks to your PDF pages. Customize the text, font size, opacity, color, and rotation angle. Watermarks are applied to all pages with corner variations for full coverage. All processing in your browser.

Custom Text

Add any text as a watermark — DRAFT, CONFIDENTIAL, your company name, or any custom message.

Full Control

Adjust font size (24-96pt), opacity (5-50%), rotation angle, and RGB color values.

Full-page Coverage

Watermarks appear at center and all four corners of each page for comprehensive protection.

Non-destructive

Watermarks are added as a visual layer. Original PDF content remains unchanged underneath.