Add Watermark to PDF
Stamp a text watermark across every page of a PDF locally and download the result.
Runs in your browser — files never leave your device
How it works
Stamp text like “CONFIDENTIAL” or “DRAFT” across every page of a PDF.
The watermarked file is generated locally and never leaves your device.
Frequently asked questions
- Is the PDF uploaded?
- No — the watermark is drawn on every page in your browser with pdf-lib.
- Where does the watermark appear?
- Diagonally across the center of each page at low opacity, so content stays readable.
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