PDF UtilitiesPDF EditorFree Tool

Add Watermark

Add a diagonal text watermark (CONFIDENTIAL, DRAFT, COPY) or image watermark (company logo) across all PDF pages. Control opacity, font size, and rotation angle.

How to Use Add Watermark
  1. 1Upload the PDF you want to watermark
  2. 2Choose 'Text Watermark' and type your text (e.g. CONFIDENTIAL) or choose 'Image Watermark' and upload a PNG
  3. 3Set the opacity (20–30% is standard), rotation angle, and font size
  4. 4Optionally set a page range to watermark only selected pages
  5. 5Click 'Add Watermark' and download the watermarked PDF
Examples
  • Add a diagonal CONFIDENTIAL watermark to a sensitive board document
  • Stamp DRAFT across all pages of a contract pending final approval
  • Overlay a semi-transparent company logo watermark on a design proof PDF
  • Add a SAMPLE watermark to an invoice template to prevent misuse
Frequently Asked Questions

Yes. Type any watermark text, choose font size, colour, rotation angle (typically 45° diagonal), and opacity. The watermark appears on all pages.

Yes. Upload a PNG image (transparent background recommended) and it is tiled or centred as an image watermark across all pages.

20–30% opacity is typical — visible enough to be noticed but not so dark it obscures the document content. Adjust to suit your document's background colour.

Yes. Watermarks added this way are part of the PDF content and print normally. Unlike screen-only watermarks, these cannot be hidden in print.

Yes. Specify a page range if you only need the watermark on, for example, the first page or all pages except the title page.

Yes. All processing runs in your browser. Your PDF is never transmitted to any server.

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