NamahaPDF
Watermark

Add a watermark thatlooks production-ready.

Stamp text or image watermarks across your PDF with opacity, rotation, placement, and repeat controls tuned for professional output.

Text or image
PDF-preserving
Adobe-style control

Why this feels like Adobe

You can choose a single placement or a repeated diagonal stamp, with controls for opacity, rotation, and strength that stay faithful to the original PDF.

1

Choose text or image

Use a stamped word like confidential or a brand logo.

2

Tune the appearance

Adjust size, opacity, angle, and repeat behavior.

3

Download the updated file

The PDF content is preserved, only the overlay changes.

Output

Your watermarked PDF will appear here after processing.

Preview / output panel

After processing, download the new file from here.

Frequently asked questions

How do I add a watermark to a PDF?

Upload your PDF, type text (or upload a logo image), then adjust position, size, opacity, and rotation before applying the watermark to every page.

Can I use an image or logo as the watermark?

Yes. NamahaPDF supports both text watermarks and image watermarks, so you can stamp a company logo as easily as a "Confidential" or "Draft" label.

Is the watermark applied on a server?

No. The watermark is drawn onto the PDF entirely in your browser, so your file never leaves your device.