Are my confidential PDF files safe?

Yes! PDF watermarking runs 100% locally in your web browser. No document pages or metadata are transmitted to external servers.

Can I watermark multi-page PDF files?

Yes, the tool iterates across all pages of your PDF document automatically.

100% Client-Side Private — Zero Server Uploads

Add custom text watermarks, stamp confidential overlays, and insert page numbers to PDF documents. 100% Client-Side local browser processing.

Drag & Drop PDF file to add watermark

Upload single PDF up to 100MB. 100% Private local processing.

Watermark Text:

Font Size (48px):

Rotation (45°):

Opacity (30%):

Color:

Add "Page X of Y" footer/header to all pages

Position:

Upload or drag & drop your PDF file.

Configure watermark text, opacity, rotation angle, or page numbers.

Click Apply Watermark and download your updated PDF document.

100% Private local browser PDF processing (pdf-lib)

Custom text overlay, angle, opacity, and colors

Page numbering (Page X of Y) in multiple positions

No. All PDF page parsing and watermark rendering occur 100% locally inside your web browser.

Advertisement728×90 Leaderboard