PDF Watermark Lab

Apply text watermarks across every page of a PDF with size and opacity tuning.

Add diagonal text watermark to every page in your PDF with adjustable size and opacity.

Upload PDF

Choose fileNo file selected

Single PDF file.

Watermark text

Text colorBackground color

Enable background color

Font size: 48px

Opacity: 0.18

Pages

Output

Upload a PDF to preview the source.

Apply watermark to preview the output PDF.