Selected pages
Use page numbers or ranges such as 1, 3-5 when the watermark should not appear everywhere.
PDF Tools · Local processing
Watermark PDF
Add a customizable text watermark to every page or selected PDF page ranges locally.
Edit locally
Add a text watermark to a PDF
The practical guide
Apply a visible text watermark with controlled opacity.
Choose text, color, size, rotation, position, and page scope before generating a new document.
Watermarks are visible marks
A watermark can communicate status or ownership, but it is not access control and can be removed by capable PDF editing software.
Privacy by architecture
Your sensitive tool inputs stay on your device.
Tool inputs, settings, and outputs are processed locally and are not intentionally sent to an application server.
Questions, answered
Frequently asked questions
Is the PDF uploaded?
No. Watermark text is drawn locally.
Can I change transparency?
Yes. The opacity control ranges from subtle to fully opaque.
Does a watermark prevent copying?
No. It is a visual mark, not encryption or DRM.