PDF
PDF Watermark
Add a custom text watermark to your PDF document. Control the text content, font size, opacity, rotation angle, and color. The watermark is applied to every page.
How to Use
- Upload a PDF file.
- Enter the watermark text you want to display.
- Adjust font size, opacity, angle, and color using the controls.
- Preview the watermark appearance.
- Click Apply to add the watermark to all pages.
- Download the watermarked PDF.
How It Works
PDF watermarking uses pdf-lib to draw text on each page's content layer. The text is positioned at the page center with the specified rotation, opacity, and color. It's drawn behind or over existing content depending on the draw order.