Watermark PDF guide
How to add a PDF watermark on a phone
Choose a PDF from phone storage, configure a text watermark, preview it, and download a marked copy.

Add the text watermark
- Choose the PDF and enter the visible watermark text.
- Set size, colour, opacity, rotation, and page position.
- Reopen several pages on the phone and verify readability and placement.
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.