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Watermark PDF guide

How to add a text watermark to every PDF page

Enter a visible text mark and apply it across the PDF with chosen size, colour, opacity, position, and rotation.

Updated September 2026 · PDFKaka EditorialOpen Watermark PDF
Capture the Watermark PDF workspace at 1366×768 with synthetic sample content and the controls used by this workflow visible.

Add the text watermark

  1. Choose the PDF and enter the visible watermark text.
  2. Inspect light and dark pages to ensure the watermark is visible without hiding important content.
  3. Set size, colour, opacity, rotation, and page position.

The same text-watermark settings apply across the document

Text watermark only, applied with the same settings to every page; no image/logo watermark and no per-page scope control.

FAQ

Can I apply a different watermark to only one page?

The current Watermark PDF workflow applies the same text-watermark settings across the document; it does not provide per-page scope controls.

What is the current input limit for Watermark PDF?

PDF; One PDF ≤50 MiB, ≤500 pages.

What does Watermark PDF create?

Adds visible text marks to the PDF pages; source pages are not rasterized by default. One PDF ≤150 MiB with visible text marks.

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