Free PDF Watermarker
Stamp CONFIDENTIAL, DRAFT, or your own text across every page.
Select PDF file
or drag and drop a PDF here
PDF files only — up to 50 MB. Processed locally in your browser; nothing is uploaded.
18% opacity
How to use the Watermark PDF
- Select or drop your PDF.
- Type your watermark text and adjust size, transparency, and angle.
- Click Add Watermark and save the stamped file.
Good to know
- The watermark is drawn on top of each page's content and becomes a permanent part of the file.
- One watermark text per run, centered on every page.
- Runs locally in your browser; nothing is uploaded.
Frequently asked questions
Can I watermark with a logo image instead?
Not yet — this tool stamps text. A logo watermark tool is on the roadmap.
Will the watermark print?
Yes, it is real page content, so it prints exactly as it looks on screen.