Private PDF editor
Add Watermark to PDF
Add a text watermark to all or selected pages while preserving the original page content.
Processed on your device — your PDF is never uploaded.
How to watermark a PDF
- Choose a PDF and enter watermark text.
- Choose pages, size, opacity, rotation and position.
- Apply and download the watermarked copy.
Example
A centred “DRAFT” watermark at 25% opacity marks a document without hiding most content.
Method
The text is drawn over existing page content using a built-in PDF font.
Limitations
This release supports text watermarks and basic Latin characters only. Image watermarks and guaranteed Hindi, Punjabi or full Unicode fonts are deferred.
Privacy
The original document remains on your device and is never uploaded.
Frequently asked questions
Can I watermark selected pages?
Yes. Enter page numbers or ranges, or leave the field empty for all pages.
Are image watermarks supported?
This release supports text watermarks only.
Is my PDF uploaded?
No. The watermark is added locally in your browser.